diff --git a/lib/assert.js b/lib/assert.js
index 28b2785ab..f0f3330d1 100644
--- a/lib/assert.js
+++ b/lib/assert.js
@@ -344,7 +344,9 @@ function wrapAssertions(callbacks) {
 
 			if (isPromise(thrower)) {
 				return handlePromise(thrower, false);
-			} else if (isObservable(thrower)) {
+			}
+
+			if (isObservable(thrower)) {
 				return handleObservable(thrower, false);
 			}
 
@@ -361,14 +363,18 @@ function wrapAssertions(callbacks) {
 			if (!threw) {
 				if (isPromise(retval)) {
 					return handlePromise(retval, true);
-				} else if (isObservable(retval)) {
+				}
+
+				if (isObservable(retval)) {
 					return handleObservable(retval, true);
 				}
+
 				fail(this, new AssertionError({
 					assertion: 'throws',
 					message,
 					values: [formatWithLabel('Function returned:', retval)]
 				}));
+
 				return;
 			}
 
@@ -426,7 +432,9 @@ function wrapAssertions(callbacks) {
 
 			if (isPromise(nonThrower)) {
 				return handlePromise(nonThrower, false);
-			} else if (isObservable(nonThrower)) {
+			}
+
+			if (isObservable(nonThrower)) {
 				return handleObservable(nonThrower, false);
 			}
 
@@ -444,9 +452,12 @@ function wrapAssertions(callbacks) {
 
 			if (isPromise(retval)) {
 				return handlePromise(retval, true);
-			} else if (isObservable(retval)) {
+			}
+
+			if (isObservable(retval)) {
 				return handleObservable(retval, true);
 			}
+
 			pass(this);
 		},
 
diff --git a/lib/process-adapter.js b/lib/process-adapter.js
index cf4685b4f..700fdbcd1 100644
--- a/lib/process-adapter.js
+++ b/lib/process-adapter.js
@@ -101,6 +101,7 @@ exports.installPrecompilerHook = () => {
 	});
 };
 
+/* eslint-disable node/no-deprecated-api */
 exports.installDependencyTracking = (dependencies, testPath) => {
 	Object.keys(require.extensions).forEach(ext => {
 		const wrappedHandler = require.extensions[ext];
@@ -114,3 +115,4 @@ exports.installDependencyTracking = (dependencies, testPath) => {
 		};
 	});
 };
+/* eslint-enable node/no-deprecated-api */
diff --git a/package-lock.json b/package-lock.json
index c424f5093..845d0042e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -456,9 +456,9 @@
       }
     },
     "@std/esm": {
-      "version": "0.19.7",
-      "resolved": "https://registry.npmjs.org/@std/esm/-/esm-0.19.7.tgz",
-      "integrity": "sha512-bPBbpu1vqgOOD70aMVG5tgioPdttKXQQFq6xodjZxVbPprtZIcm8NcTEJoB+/1QoH8z1TIqjaEN1Wm3YndnfNQ==",
+      "version": "0.21.7",
+      "resolved": "https://registry.npmjs.org/@std/esm/-/esm-0.21.7.tgz",
+      "integrity": "sha512-GbuVyWFeh+HYCX0cgvKoY0jWN3t8s11+i2mvBtXswl2WDNNaHpF6JwbZQxdf3cfRRO4E7bS9FeZ2Y+HB1WwFPg==",
       "dev": true
     },
     "abbrev": {
@@ -466,12 +466,6 @@
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.0.tgz",
       "integrity": "sha1-0FVMIlZjbi9W58LlrRg/hZQo2B8="
     },
-    "acorn": {
-      "version": "5.0.3",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.0.3.tgz",
-      "integrity": "sha1-xGDfCEkUY/AozLguqzcwvwEIez0=",
-      "dev": true
-    },
     "acorn-jsx": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz",
@@ -498,12 +492,6 @@
         "json-stable-stringify": "1.0.1"
       }
     },
-    "ajv-keywords": {
-      "version": "1.5.1",
-      "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-1.5.1.tgz",
-      "integrity": "sha1-MU3QpLM2j609/NxU7eYXG4htrzw=",
-      "dev": true
-    },
     "align-text": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
@@ -1408,6 +1396,12 @@
         "estraverse": "4.2.0"
       }
     },
+    "call-me-maybe": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/call-me-maybe/-/call-me-maybe-1.0.1.tgz",
+      "integrity": "sha1-JtII6onje1y95gJQoV8DHBak1ms=",
+      "dev": true
+    },
     "call-signature": {
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/call-signature/-/call-signature-0.0.2.tgz",
@@ -1688,6 +1682,15 @@
         }
       }
     },
+    "clean-regexp": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/clean-regexp/-/clean-regexp-1.0.0.tgz",
+      "integrity": "sha1-jffHquUf02h06PjQW5GAvBGj/tc=",
+      "dev": true,
+      "requires": {
+        "escape-string-regexp": "1.0.5"
+      }
+    },
     "clean-stack": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/clean-stack/-/clean-stack-1.3.0.tgz",
@@ -2190,15 +2193,6 @@
         "array-find-index": "1.0.2"
       }
     },
-    "d": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/d/-/d-1.0.0.tgz",
-      "integrity": "sha1-dUu1v+VUUdpppYuU1F9MWwRi1Y8=",
-      "dev": true,
-      "requires": {
-        "es5-ext": "0.10.23"
-      }
-    },
     "dashdash": {
       "version": "1.14.1",
       "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
@@ -2266,15 +2260,6 @@
       "resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.0.tgz",
       "integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU="
     },
-    "deep-assign": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/deep-assign/-/deep-assign-1.0.0.tgz",
-      "integrity": "sha1-sJJ0O+hCfcYh6gBnzex+cN0Z83s=",
-      "dev": true,
-      "requires": {
-        "is-obj": "1.0.1"
-      }
-    },
     "deep-equal": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/deep-equal/-/deep-equal-1.0.1.tgz",
@@ -2436,16 +2421,6 @@
         }
       }
     },
-    "doctrine": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-2.0.0.tgz",
-      "integrity": "sha1-xz2NKQnSIpHhoAejlYBNqLZl/mM=",
-      "dev": true,
-      "requires": {
-        "esutils": "2.0.2",
-        "isarray": "1.0.0"
-      }
-    },
     "dot-prop": {
       "version": "4.2.0",
       "resolved": "https://registry.npmjs.org/dot-prop/-/dot-prop-4.2.0.tgz",
@@ -2495,6 +2470,12 @@
         "lodash": "4.17.4"
       }
     },
+    "env-editor": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/env-editor/-/env-editor-0.3.1.tgz",
+      "integrity": "sha1-MNBUDCEBQU8lipTUwKUkwGwT48Y=",
+      "dev": true
+    },
     "equal-length": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/equal-length/-/equal-length-1.0.1.tgz",
@@ -2508,362 +2489,33 @@
         "is-arrayish": "0.2.1"
       }
     },
-    "es5-ext": {
-      "version": "0.10.23",
-      "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.23.tgz",
-      "integrity": "sha1-dXi1G+l0IHpUh4IbVlOMIk5Oezg=",
-      "dev": true,
-      "requires": {
-        "es6-iterator": "2.0.1",
-        "es6-symbol": "3.1.1"
-      }
-    },
     "es6-error": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/es6-error/-/es6-error-4.0.2.tgz",
       "integrity": "sha1-7sXHJurO9Rt/a3PCDbbhsTsGnJg="
     },
-    "es6-iterator": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/es6-iterator/-/es6-iterator-2.0.1.tgz",
-      "integrity": "sha1-jjGcnwRTv1ddN0lAplWSDlnKVRI=",
-      "dev": true,
-      "requires": {
-        "d": "1.0.0",
-        "es5-ext": "0.10.23",
-        "es6-symbol": "3.1.1"
-      }
-    },
-    "es6-map": {
-      "version": "0.1.5",
-      "resolved": "https://registry.npmjs.org/es6-map/-/es6-map-0.1.5.tgz",
-      "integrity": "sha1-kTbgUD3MBqMBaQ8LsU/042TpSfA=",
-      "dev": true,
-      "requires": {
-        "d": "1.0.0",
-        "es5-ext": "0.10.23",
-        "es6-iterator": "2.0.1",
-        "es6-set": "0.1.5",
-        "es6-symbol": "3.1.1",
-        "event-emitter": "0.3.5"
-      }
-    },
-    "es6-set": {
-      "version": "0.1.5",
-      "resolved": "https://registry.npmjs.org/es6-set/-/es6-set-0.1.5.tgz",
-      "integrity": "sha1-0rPsXU2ADO2BjbU40ol02wpzzLE=",
-      "dev": true,
-      "requires": {
-        "d": "1.0.0",
-        "es5-ext": "0.10.23",
-        "es6-iterator": "2.0.1",
-        "es6-symbol": "3.1.1",
-        "event-emitter": "0.3.5"
-      }
-    },
-    "es6-symbol": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/es6-symbol/-/es6-symbol-3.1.1.tgz",
-      "integrity": "sha1-vwDvT9q2uhtG7Le2KbTH7VcVzHc=",
-      "dev": true,
-      "requires": {
-        "d": "1.0.0",
-        "es5-ext": "0.10.23"
-      }
-    },
-    "es6-weak-map": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/es6-weak-map/-/es6-weak-map-2.0.2.tgz",
-      "integrity": "sha1-XjqzIlH/0VOKH45f+hNXdy+S2W8=",
-      "dev": true,
-      "requires": {
-        "d": "1.0.0",
-        "es5-ext": "0.10.23",
-        "es6-iterator": "2.0.1",
-        "es6-symbol": "3.1.1"
-      }
-    },
     "escape-string-regexp": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
       "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ="
     },
-    "escope": {
-      "version": "3.6.0",
-      "resolved": "https://registry.npmjs.org/escope/-/escope-3.6.0.tgz",
-      "integrity": "sha1-4Bl16BJ4GhY6ba392AOY3GTIicM=",
-      "dev": true,
-      "requires": {
-        "es6-map": "0.1.5",
-        "es6-weak-map": "2.0.2",
-        "esrecurse": "4.2.0",
-        "estraverse": "4.2.0"
-      }
-    },
-    "eslint": {
-      "version": "3.19.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-3.19.0.tgz",
-      "integrity": "sha1-yPxiAcf0DdCJQbh8CFdnOGpnmsw=",
+    "eslint-ast-utils": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/eslint-ast-utils/-/eslint-ast-utils-1.1.0.tgz",
+      "integrity": "sha512-otzzTim2/1+lVrlH19EfQQJEhVJSu0zOb9ygb3iapN6UlyaDtyRq4b5U1FuW0v1lRa9Fp/GJyHkSwm6NqABgCA==",
       "dev": true,
       "requires": {
-        "babel-code-frame": "6.22.0",
-        "chalk": "1.1.3",
-        "concat-stream": "1.6.0",
-        "debug": "2.6.9",
-        "doctrine": "2.0.0",
-        "escope": "3.6.0",
-        "espree": "3.4.3",
-        "esquery": "1.0.0",
-        "estraverse": "4.2.0",
-        "esutils": "2.0.2",
-        "file-entry-cache": "2.0.0",
-        "glob": "7.1.2",
-        "globals": "9.17.0",
-        "ignore": "3.3.3",
-        "imurmurhash": "0.1.4",
-        "inquirer": "0.12.0",
-        "is-my-json-valid": "2.16.0",
-        "is-resolvable": "1.0.0",
-        "js-yaml": "3.8.4",
-        "json-stable-stringify": "1.0.1",
-        "levn": "0.3.0",
-        "lodash": "4.17.4",
-        "mkdirp": "0.5.1",
-        "natural-compare": "1.4.0",
-        "optionator": "0.8.2",
-        "path-is-inside": "1.0.2",
-        "pluralize": "1.2.1",
-        "progress": "1.1.8",
-        "require-uncached": "1.0.3",
-        "shelljs": "0.7.8",
-        "strip-bom": "3.0.0",
-        "strip-json-comments": "2.0.1",
-        "table": "3.8.3",
-        "text-table": "0.2.0",
-        "user-home": "2.0.0"
-      },
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-        "ansi-escapes": {
-          "version": "1.4.0",
-          "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-1.4.0.tgz",
-          "integrity": "sha1-06ioOzGapneTZisT52HHkRQiMG4=",
-          "dev": true
-        },
-        "ansi-styles": {
-          "version": "2.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-          "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-          "dev": true
-        },
-        "chalk": {
-          "version": "1.1.3",
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-          "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-          "dev": true,
-          "requires": {
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-            "escape-string-regexp": "1.0.5",
-            "has-ansi": "2.0.0",
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-        "cli-cursor": {
-          "version": "1.0.2",
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-          "integrity": "sha1-ZNo/fValRBLll5S9Ytw1KV6PKYc=",
-          "dev": true,
-          "requires": {
-            "restore-cursor": "1.0.1"
-          }
-        },
-        "debug": {
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-          "resolved": "https://registry.npmjs.org/has-ansi/-/has-ansi-2.0.0.tgz",
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-          "requires": {
-            "ansi-regex": "2.1.1"
-          }
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-        "inquirer": {
-          "version": "0.12.0",
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-          "integrity": "sha1-HvK/1jUE3wvHV4X/+MLEHfEvB34=",
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-            "ansi-escapes": "1.4.0",
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-            "cli-cursor": "1.0.2",
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-            "lodash": "4.17.4",
-            "readline2": "1.0.1",
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-            "rx-lite": "3.1.2",
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-          }
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-          "version": "1.0.0",
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-          "dev": true,
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-          }
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-        "onetime": {
-          "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
-          "integrity": "sha1-ofeDj4MUxRbwXs78vEzP4EtO14k=",
-          "dev": true
-        },
-        "restore-cursor": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/restore-cursor/-/restore-cursor-1.0.1.tgz",
-          "integrity": "sha1-NGYfRohjJ/7SmRR5FSJS35LapUE=",
-          "dev": true,
-          "requires": {
-            "exit-hook": "1.1.1",
-            "onetime": "1.1.0"
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-        "run-async": {
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-          "resolved": "https://registry.npmjs.org/run-async/-/run-async-0.1.0.tgz",
-          "integrity": "sha1-yK1KXhEGYeQCp9IbUw4AnyX444k=",
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-          "requires": {
-            "code-point-at": "1.1.0",
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-        "strip-ansi": {
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-          "dev": true,
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-          "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-          "dev": true
-        }
+        "lodash.get": "4.4.2",
+        "lodash.zip": "4.2.0"
       }
     },
-    "eslint-config-xo": {
-      "version": "0.18.2",
-      "resolved": "https://registry.npmjs.org/eslint-config-xo/-/eslint-config-xo-0.18.2.tgz",
-      "integrity": "sha1-ChVxIIdWGZKec1/9axhcQeihh68=",
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-      "resolved": "https://registry.npmjs.org/eslint-formatter-pretty/-/eslint-formatter-pretty-1.1.0.tgz",
-      "integrity": "sha1-q00G2gL+2ME66fDcVApDPvftb14=",
+    "eslint-config-prettier": {
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-2.9.0.tgz",
+      "integrity": "sha512-ag8YEyBXsm3nmOv1Hz991VtNNDMRa+MNy8cY47Pl4bw6iuzqKbJajXdqUpiw13STdLLrznxgm1hj9NhxeOYq0A==",
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-            "get-stdin": "4.0.1"
-          },
-          "dependencies": {
-            "get-stdin": {
-              "version": "4.0.1",
-              "resolved": "https://registry.npmjs.org/get-stdin/-/get-stdin-4.0.1.tgz",
-              "integrity": "sha1-uWjGsKBDhDJJAui/Gl3zJXmkUP4=",
-              "dev": true
-            }
+            "ajv": "5.5.2",
+            "ajv-keywords": "2.1.1",
+            "chalk": "2.3.0",
+            "lodash": "4.17.4",
+            "slice-ansi": "1.0.0",
+            "string-width": "2.1.1"
           }
         },
-        "trim-newlines": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/trim-newlines/-/trim-newlines-1.0.0.tgz",
-          "integrity": "sha1-WIeWa7WCpFA6QetST301ARgVphM=",
-          "dev": true
-        }
-      }
-    },
-    "xo-init": {
-      "version": "0.5.0",
-      "resolved": "https://registry.npmjs.org/xo-init/-/xo-init-0.5.0.tgz",
-      "integrity": "sha1-jijex5Z2zF4EL95f2PcQ4mRrDjY=",
-      "dev": true,
-      "requires": {
-        "arrify": "1.0.1",
-        "execa": "0.5.1",
-        "minimist": "1.2.0",
-        "path-exists": "3.0.0",
-        "read-pkg-up": "2.0.0",
-        "the-argv": "1.0.0",
-        "write-pkg": "2.1.0"
-      },
-      "dependencies": {
-        "execa": {
-          "version": "0.5.1",
-          "resolved": "https://registry.npmjs.org/execa/-/execa-0.5.1.tgz",
-          "integrity": "sha1-3j+4XLjW6RyFvLzrFkWBeFy1ezY=",
+        "write-pkg": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/write-pkg/-/write-pkg-3.1.0.tgz",
+          "integrity": "sha1-AwqZlMyZk9JbTnWp8aGSNgcpHOk=",
           "dev": true,
           "requires": {
-            "cross-spawn": "4.0.2",
-            "get-stream": "2.3.1",
-            "is-stream": "1.1.0",
-            "npm-run-path": "2.0.2",
-            "p-finally": "1.0.0",
-            "signal-exit": "3.0.2",
-            "strip-eof": "1.0.0"
+            "sort-keys": "2.0.0",
+            "write-json-file": "2.2.0"
           }
         },
-        "get-stream": {
-          "version": "2.3.1",
-          "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-2.3.1.tgz",
-          "integrity": "sha1-Xzj5PzRgCWZu4BUKBUFn+Rvdld4=",
+        "xo-init": {
+          "version": "0.7.0",
+          "resolved": "https://registry.npmjs.org/xo-init/-/xo-init-0.7.0.tgz",
+          "integrity": "sha512-mrrCKMu52vz0u2tiOl8DoG709pBtnSp58bb4/j58a4jeXjrb1gV7dxfOBjOlXitYtfW2QnlxxxfAojoFcpynDg==",
           "dev": true,
           "requires": {
-            "object-assign": "4.1.1",
-            "pinkie-promise": "2.0.1"
+            "arrify": "1.0.1",
+            "execa": "0.9.0",
+            "has-yarn": "1.0.0",
+            "minimist": "1.2.0",
+            "path-exists": "3.0.0",
+            "read-pkg-up": "3.0.0",
+            "the-argv": "1.0.0",
+            "write-pkg": "3.1.0"
           }
-        },
-        "minimist": {
-          "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
-          "dev": true
         }
       }
     },
@@ -9147,9 +9115,9 @@
       }
     },
     "zen-observable": {
-      "version": "0.7.1",
-      "resolved": "https://registry.npmjs.org/zen-observable/-/zen-observable-0.7.1.tgz",
-      "integrity": "sha512-OI6VMSe0yeqaouIXtedC+F55Sr6r9ppS7+wTbSexkYdHbdt4ctTuPNXP/rwm7GTVI63YBc+EBT0b0tl7YnJLRg==",
+      "version": "0.8.6",
+      "resolved": "https://registry.npmjs.org/zen-observable/-/zen-observable-0.8.6.tgz",
+      "integrity": "sha512-L/snSXVoNsU1djDL0dx5qDQVY52QKu09c2vEgThkyuRA/yQC+ZJcZMESC2YaKkDK7Shq2F/lgm1TefLLzZJiSg==",
       "dev": true
     }
   }
diff --git a/package.json b/package.json
index c5cdee456..ab3b4f5ca 100644
--- a/package.json
+++ b/package.json
@@ -141,13 +141,13 @@
 		"update-notifier": "^2.3.0"
 	},
 	"devDependencies": {
-		"@std/esm": "^0.19.1",
+		"@std/esm": "^0.21.7",
 		"cli-table2": "^0.2.0",
 		"codecov": "^3.0.0",
 		"del": "^3.0.0",
 		"delay": "^2.0.0",
 		"execa": "^0.9.0",
-		"flow-bin": "^0.64.0",
+		"flow-bin": "^0.65.0",
 		"get-stream": "^3.0.0",
 		"git-branch": "^1.0.0",
 		"has-ansi": "^3.0.0",
@@ -165,8 +165,8 @@
 		"temp-write": "^3.4.0",
 		"touch": "^3.1.0",
 		"typescript": "^2.7.1",
-		"xo": "^0.18.2",
-		"zen-observable": "^0.7.1"
+		"xo": "^0.20.0",
+		"zen-observable": "^0.8.6"
 	},
 	"typings": "index.d.ts",
 	"xo": {
diff --git a/test/assert.js b/test/assert.js
index 0d3deb65a..1fad472ca 100644
--- a/test/assert.js
+++ b/test/assert.js
@@ -799,7 +799,7 @@ test('.throws()', gather(t => {
 	// Passes because the correct error is thrown.
 	passes(t, () => {
 		assertions.throws(() => {
-			throw new TypeError();
+			throw new TypeError(); // eslint-disable-line unicorn/error-message
 		}, {name: 'TypeError'});
 	});
 
diff --git a/test/beautify-stack.js b/test/beautify-stack.js
index d23ac0186..e777baeaf 100644
--- a/test/beautify-stack.js
+++ b/test/beautify-stack.js
@@ -18,7 +18,7 @@ function fooFunc() {
 }
 
 function barFunc() {
-	throw new Error();
+	throw new Error(); // eslint-disable-line unicorn/error-message
 }
 
 test('does not strip ava internals and dependencies from stack trace with debug enabled', t => {
diff --git a/test/fixture/_generate-source-map-initial.js b/test/fixture/_generate-source-map-initial.js
index ff70aba7a..239bf7f36 100644
--- a/test/fixture/_generate-source-map-initial.js
+++ b/test/fixture/_generate-source-map-initial.js
@@ -26,9 +26,11 @@ const run = () => fixture.run();
 
 fs.writeFileSync(
 	path.join(__dirname, 'source-map-initial.js'),
-	transformed.code + '\n//# sourceMappingURL=./source-map-initial.js.map\n// Generated using node test/fixtures/_generate-source-map-initial.js\n');
+	transformed.code + '\n//# sourceMappingURL=./source-map-initial.js.map\n// Generated using node test/fixtures/_generate-source-map-initial.js\n'
+);
 fs.writeFileSync(
 	path.join(__dirname, 'source-map-initial.js.map'),
-	JSON.stringify(transformed.map));
+	JSON.stringify(transformed.map)
+);
 
 console.log('Generated source-map-initial.js');
diff --git a/test/fixture/async-await.js b/test/fixture/async-await.js
index 28fc37783..ce69fe867 100644
--- a/test/fixture/async-await.js
+++ b/test/fixture/async-await.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('async function', async t => {
 	t.plan(1);
diff --git a/test/fixture/babelrc-js/test.js b/test/fixture/babelrc-js/test.js
index 4da86f81c..c22364862 100644
--- a/test/fixture/babelrc-js/test.js
+++ b/test/fixture/babelrc-js/test.js
@@ -1,4 +1,4 @@
-import test from '../../../';
+import test from '../../..';
 
 const fixture = [1, 2];
 
diff --git a/test/fixture/babelrc/test.js b/test/fixture/babelrc/test.js
index 4da86f81c..c22364862 100644
--- a/test/fixture/babelrc/test.js
+++ b/test/fixture/babelrc/test.js
@@ -1,4 +1,4 @@
-import test from '../../../';
+import test from '../../..';
 
 const fixture = [1, 2];
 
diff --git a/test/fixture/caching/test.js b/test/fixture/caching/test.js
index e893ee744..61051370c 100644
--- a/test/fixture/caching/test.js
+++ b/test/fixture/caching/test.js
@@ -1,4 +1,4 @@
-import test from '../../../';
+import test from '../../..';
 
 test('test', t => {
 	t.true(2 + 2 === 4);
diff --git a/test/fixture/chalk-disabled.js b/test/fixture/chalk-disabled.js
index 21caccf3e..0204ac28b 100644
--- a/test/fixture/chalk-disabled.js
+++ b/test/fixture/chalk-disabled.js
@@ -1,5 +1,5 @@
 import chalk from 'chalk';
-import test from '../../';
+import test from '../..';
 
 test('should not support colors', t => {
 	t.false(chalk.enabled);
diff --git a/test/fixture/chalk-enabled.js b/test/fixture/chalk-enabled.js
index a7e0ff640..0827cc370 100644
--- a/test/fixture/chalk-enabled.js
+++ b/test/fixture/chalk-enabled.js
@@ -1,5 +1,5 @@
 import chalk from 'chalk';
-import test from '../../';
+import test from '../..';
 
 test('should support colors', t => {
 	t.true(chalk.enabled);
diff --git a/test/fixture/circular-reference-on-assertion.js b/test/fixture/circular-reference-on-assertion.js
index 452e35477..476e0f9f2 100644
--- a/test/fixture/circular-reference-on-assertion.js
+++ b/test/fixture/circular-reference-on-assertion.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('test', t => {
 	const circular = ['a', 'b'];
diff --git a/test/fixture/concurrency/test.js b/test/fixture/concurrency/test.js
index 777e7f3d8..035e8bb9c 100644
--- a/test/fixture/concurrency/test.js
+++ b/test/fixture/concurrency/test.js
@@ -1,4 +1,4 @@
-import test from '../../../';
+import test from '../../..';
 
 test('works', t => {
 	t.pass();
diff --git a/test/fixture/debug-arg.js b/test/fixture/debug-arg.js
index 6d62bc8cb..ad46b6e18 100644
--- a/test/fixture/debug-arg.js
+++ b/test/fixture/debug-arg.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('test', t => {
 	t.true(process.execArgv[0].indexOf('--debug') === 0);
diff --git a/test/fixture/destructuring-public-api.js b/test/fixture/destructuring-public-api.js
index 961a2d7ed..f8f6b3ac7 100644
--- a/test/fixture/destructuring-public-api.js
+++ b/test/fixture/destructuring-public-api.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test.beforeEach(t => {
 	t.context = 'bar';
diff --git a/test/fixture/error-in-anonymous-function.js b/test/fixture/error-in-anonymous-function.js
index 1a9051bde..0a6e54242 100644
--- a/test/fixture/error-in-anonymous-function.js
+++ b/test/fixture/error-in-anonymous-function.js
@@ -1,7 +1,7 @@
-import test from '../../';
+import test from '../..';
 
 const getAnonymousFn = () => () => {
-	throw new Error();
+	throw new Error(); // eslint-disable-line unicorn/error-message
 };
 
 test('test', t => {
diff --git a/test/fixture/error-without-message.js b/test/fixture/error-without-message.js
index c2a2af7ef..775933f27 100644
--- a/test/fixture/error-without-message.js
+++ b/test/fixture/error-without-message.js
@@ -1,5 +1,5 @@
-import test from '../../';
+import test from '../..';
 
 test('throw an error without a message', () => {
-	throw new Error();
+	throw new Error(); // eslint-disable-line unicorn/error-message
 });
diff --git a/test/fixture/es2015-source-maps.js b/test/fixture/es2015-source-maps.js
index 63c3dda1f..385e483d0 100644
--- a/test/fixture/es2015-source-maps.js
+++ b/test/fixture/es2015-source-maps.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('test', t => {
 	t.pass();
diff --git a/test/fixture/es2015.js b/test/fixture/es2015.js
index 56bf8fb88..49d1343b0 100644
--- a/test/fixture/es2015.js
+++ b/test/fixture/es2015.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('test', t => {
 	t.pass();
diff --git a/test/fixture/exclusive-nonexclusive.js b/test/fixture/exclusive-nonexclusive.js
index 2f68cd105..c8260ef90 100644
--- a/test/fixture/exclusive-nonexclusive.js
+++ b/test/fixture/exclusive-nonexclusive.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test.only('only', t => {
 	t.pass();
diff --git a/test/fixture/fail-fast/crash/crashes.js b/test/fixture/fail-fast/crash/crashes.js
index fe046b460..ab018a18e 100644
--- a/test/fixture/fail-fast/crash/crashes.js
+++ b/test/fixture/fail-fast/crash/crashes.js
@@ -1,3 +1,3 @@
-import '../../../../'; // eslint-disable-line import/no-unassigned-import
+import '../../../..'; // eslint-disable-line import/no-unassigned-import
 
 process.exit(1); // eslint-disable-line unicorn/no-process-exit
diff --git a/test/fixture/fail-fast/crash/passes.js b/test/fixture/fail-fast/crash/passes.js
index fe55dc3d0..ca94aefad 100644
--- a/test/fixture/fail-fast/crash/passes.js
+++ b/test/fixture/fail-fast/crash/passes.js
@@ -1,4 +1,4 @@
-import test from '../../../../';
+import test from '../../../..';
 
 test('first pass', t => {
 	t.pass();
diff --git a/test/fixture/fail-fast/multiple-files/fails.js b/test/fixture/fail-fast/multiple-files/fails.js
index 83c8bc219..cf9474e7b 100644
--- a/test/fixture/fail-fast/multiple-files/fails.js
+++ b/test/fixture/fail-fast/multiple-files/fails.js
@@ -1,4 +1,4 @@
-import test from '../../../../';
+import test from '../../../..';
 
 test('first pass', t => {
 	t.pass();
diff --git a/test/fixture/fail-fast/multiple-files/passes-slow.js b/test/fixture/fail-fast/multiple-files/passes-slow.js
index 3464a4216..465eee0ca 100644
--- a/test/fixture/fail-fast/multiple-files/passes-slow.js
+++ b/test/fixture/fail-fast/multiple-files/passes-slow.js
@@ -1,4 +1,4 @@
-import test from '../../../../';
+import test from '../../../..';
 
 test.serial('first pass', async t => {
 	t.pass();
diff --git a/test/fixture/fail-fast/multiple-files/passes.js b/test/fixture/fail-fast/multiple-files/passes.js
index fe55dc3d0..ca94aefad 100644
--- a/test/fixture/fail-fast/multiple-files/passes.js
+++ b/test/fixture/fail-fast/multiple-files/passes.js
@@ -1,4 +1,4 @@
-import test from '../../../../';
+import test from '../../../..';
 
 test('first pass', t => {
 	t.pass();
diff --git a/test/fixture/fail-fast/single-file/test.js b/test/fixture/fail-fast/single-file/test.js
index 83c8bc219..cf9474e7b 100644
--- a/test/fixture/fail-fast/single-file/test.js
+++ b/test/fixture/fail-fast/single-file/test.js
@@ -1,4 +1,4 @@
-import test from '../../../../';
+import test from '../../../..';
 
 test('first pass', t => {
 	t.pass();
diff --git a/test/fixture/fail-fast/timeout/fails.js b/test/fixture/fail-fast/timeout/fails.js
index cd9545d57..c182f29af 100644
--- a/test/fixture/fail-fast/timeout/fails.js
+++ b/test/fixture/fail-fast/timeout/fails.js
@@ -1,4 +1,4 @@
-import test from '../../../../';
+import test from '../../../..';
 
 test.cb('slow pass', t => {
 	setTimeout(t.end, 1000);
diff --git a/test/fixture/fail-fast/timeout/passes.js b/test/fixture/fail-fast/timeout/passes.js
index fe55dc3d0..ca94aefad 100644
--- a/test/fixture/fail-fast/timeout/passes.js
+++ b/test/fixture/fail-fast/timeout/passes.js
@@ -1,4 +1,4 @@
-import test from '../../../../';
+import test from '../../../..';
 
 test('first pass', t => {
 	t.pass();
diff --git a/test/fixture/fake-timers.js b/test/fixture/fake-timers.js
index 294bb4135..576e765ff 100644
--- a/test/fixture/fake-timers.js
+++ b/test/fixture/fake-timers.js
@@ -1,5 +1,5 @@
 import sinon from 'sinon';
-import test from '../../';
+import test from '../..';
 
 test('test', t => {
 	sinon.useFakeTimers(Date.now() + 10000);
diff --git a/test/fixture/formatting.js b/test/fixture/formatting.js
index 1876708f1..15241d615 100644
--- a/test/fixture/formatting.js
+++ b/test/fixture/formatting.js
@@ -1,6 +1,6 @@
 import React from 'react';
 import {Buffer} from 'safe-buffer';
-import test from '../../';
+import test from '../..';
 import HelloMessage from './hello-message';
 
 // Older AVA versions that do not use Concordance don't handle globals very
diff --git a/test/fixture/generators.js b/test/fixture/generators.js
index 0b807f378..7ee1517d0 100644
--- a/test/fixture/generators.js
+++ b/test/fixture/generators.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('generator function', function * (t) {
 	t.plan(1);
diff --git a/test/fixture/hooks-failing.js b/test/fixture/hooks-failing.js
index fc3b695d2..6876942aa 100644
--- a/test/fixture/hooks-failing.js
+++ b/test/fixture/hooks-failing.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test.beforeEach(fail);
 test('pass', pass);
diff --git a/test/fixture/hooks-passing.js b/test/fixture/hooks-passing.js
index c2f9ec5a0..4938ba919 100644
--- a/test/fixture/hooks-passing.js
+++ b/test/fixture/hooks-passing.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test.before(pass);
 test.beforeEach(pass);
diff --git a/test/fixture/ignored-dirs/fixtures/test.js b/test/fixture/ignored-dirs/fixtures/test.js
index 84543f040..0aaeea531 100644
--- a/test/fixture/ignored-dirs/fixtures/test.js
+++ b/test/fixture/ignored-dirs/fixtures/test.js
@@ -1,4 +1,4 @@
-import test from '../../../../';
+import test from '../../../..';
 
 test('test', t => {
 	t.pass();
diff --git a/test/fixture/ignored-dirs/helpers/test.js b/test/fixture/ignored-dirs/helpers/test.js
index 84543f040..0aaeea531 100644
--- a/test/fixture/ignored-dirs/helpers/test.js
+++ b/test/fixture/ignored-dirs/helpers/test.js
@@ -1,4 +1,4 @@
-import test from '../../../../';
+import test from '../../../..';
 
 test('test', t => {
 	t.pass();
diff --git a/test/fixture/infinity-stack-trace.js b/test/fixture/infinity-stack-trace.js
index acb822113..01d4a1491 100644
--- a/test/fixture/infinity-stack-trace.js
+++ b/test/fixture/infinity-stack-trace.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 Error.stackTraceLimit = 1;
 
diff --git a/test/fixture/inspect-arg.js b/test/fixture/inspect-arg.js
index 95ef6346f..b11ffe44c 100644
--- a/test/fixture/inspect-arg.js
+++ b/test/fixture/inspect-arg.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('test', t => {
 	t.true(process.execArgv[0].indexOf('--inspect') === 0);
diff --git a/test/fixture/just-enhancement-compilation/power-assert.js b/test/fixture/just-enhancement-compilation/power-assert.js
index 99bab9868..ea21f47f2 100644
--- a/test/fixture/just-enhancement-compilation/power-assert.js
+++ b/test/fixture/just-enhancement-compilation/power-assert.js
@@ -1,6 +1,6 @@
 'use strict';
 
-const test = require('../../../');
+const test = require('../../..');
 
 test('test', t => {
 	const bool = false;
diff --git a/test/fixture/long-running.js b/test/fixture/long-running.js
index 1d0eb8312..8476100ba 100644
--- a/test/fixture/long-running.js
+++ b/test/fixture/long-running.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test.cb('slow', t => {
 	setTimeout(t.end, 5000);
diff --git a/test/fixture/long-stack-trace/test.js b/test/fixture/long-stack-trace/test.js
index b69ad77d7..81f88145f 100644
--- a/test/fixture/long-stack-trace/test.js
+++ b/test/fixture/long-stack-trace/test.js
@@ -1,4 +1,4 @@
-import test from '../../../';
+import test from '../../..';
 import Bluebird from './_enable-trace';
 
 // This promise throwing pattern was used in bluebird documentation for long stack traces
diff --git a/test/fixture/loud-rejection.js b/test/fixture/loud-rejection.js
index f96fe0e04..08fbedb42 100644
--- a/test/fixture/loud-rejection.js
+++ b/test/fixture/loud-rejection.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test.cb('creates an unhandled rejection', t => {
 	Promise.reject(new Error('You can\'t handle this!'));
diff --git a/test/fixture/match-no-match-2.js b/test/fixture/match-no-match-2.js
index 11673b32d..a502d060f 100644
--- a/test/fixture/match-no-match-2.js
+++ b/test/fixture/match-no-match-2.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('this test will match', t => {
 	t.pass();
diff --git a/test/fixture/match-no-match.js b/test/fixture/match-no-match.js
index 4b38a0594..d54f8df56 100644
--- a/test/fixture/match-no-match.js
+++ b/test/fixture/match-no-match.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('foo', t => {
 	t.pass();
diff --git a/test/fixture/no-babel-compilation/no-power-assert.js b/test/fixture/no-babel-compilation/no-power-assert.js
index 99bab9868..ea21f47f2 100644
--- a/test/fixture/no-babel-compilation/no-power-assert.js
+++ b/test/fixture/no-babel-compilation/no-power-assert.js
@@ -1,6 +1,6 @@
 'use strict';
 
-const test = require('../../../');
+const test = require('../../..');
 
 test('test', t => {
 	const bool = false;
diff --git a/test/fixture/no-babel-compilation/require-helper.js b/test/fixture/no-babel-compilation/require-helper.js
index 6c22749d5..b293d6146 100644
--- a/test/fixture/no-babel-compilation/require-helper.js
+++ b/test/fixture/no-babel-compilation/require-helper.js
@@ -1,6 +1,6 @@
 'use strict';
 
-const test = require('../../../');
+const test = require('../../..');
 
 test('test', t => {
 	t.throws(() => require('./_helper'), SyntaxError);
diff --git a/test/fixture/no-tests.js b/test/fixture/no-tests.js
index 2e925c1d0..0fd49392d 100644
--- a/test/fixture/no-tests.js
+++ b/test/fixture/no-tests.js
@@ -1 +1 @@
-import '../../'; // eslint-disable-line import/no-unassigned-import
+import '../..'; // eslint-disable-line import/no-unassigned-import
diff --git a/test/fixture/node-env-foo.js b/test/fixture/node-env-foo.js
index e9fac6b44..6c6d0416b 100644
--- a/test/fixture/node-env-foo.js
+++ b/test/fixture/node-env-foo.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('NODE_ENV is foo', t => {
 	t.plan(1);
diff --git a/test/fixture/node-env-test.js b/test/fixture/node-env-test.js
index f96db9d89..7571aecfb 100644
--- a/test/fixture/node-env-test.js
+++ b/test/fixture/node-env-test.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('NODE_ENV is test', t => {
 	t.plan(1);
diff --git a/test/fixture/node-paths.js b/test/fixture/node-paths.js
index 3e6cb409f..d155755bc 100644
--- a/test/fixture/node-paths.js
+++ b/test/fixture/node-paths.js
@@ -1,6 +1,6 @@
 import foo from 'nested/foo'; // eslint-disable-line import/no-extraneous-dependencies, import/no-unresolved
 import bar from 'the-path/bar'; // eslint-disable-line import/no-extraneous-dependencies, import/no-unresolved
-import test from '../../';
+import test from '../..';
 
 test('relative require', t => {
 	t.is(foo, 'bar');
diff --git a/test/fixture/one-pass-one-fail.js b/test/fixture/one-pass-one-fail.js
index 460bcbe73..976be787c 100644
--- a/test/fixture/one-pass-one-fail.js
+++ b/test/fixture/one-pass-one-fail.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('this is a passing test', t => {
 	t.pass();
diff --git a/test/fixture/pkg-conf/resolve-dir/dir-a-wrapper/dir-a/dir-a-wrapper-3.js b/test/fixture/pkg-conf/resolve-dir/dir-a-wrapper/dir-a/dir-a-wrapper-3.js
index 1637f8170..96d98a983 100644
--- a/test/fixture/pkg-conf/resolve-dir/dir-a-wrapper/dir-a/dir-a-wrapper-3.js
+++ b/test/fixture/pkg-conf/resolve-dir/dir-a-wrapper/dir-a/dir-a-wrapper-3.js
@@ -1,4 +1,4 @@
-import test from '../../../../../../';
+import test from '../../../../../..';
 
 test('test', t => {
 	t.pass();
diff --git a/test/fixture/pkg-conf/resolve-dir/dir-a-wrapper/dir-a/dir-a-wrapper-4.js b/test/fixture/pkg-conf/resolve-dir/dir-a-wrapper/dir-a/dir-a-wrapper-4.js
index 1637f8170..96d98a983 100644
--- a/test/fixture/pkg-conf/resolve-dir/dir-a-wrapper/dir-a/dir-a-wrapper-4.js
+++ b/test/fixture/pkg-conf/resolve-dir/dir-a-wrapper/dir-a/dir-a-wrapper-4.js
@@ -1,4 +1,4 @@
-import test from '../../../../../../';
+import test from '../../../../../..';
 
 test('test', t => {
 	t.pass();
diff --git a/test/fixture/pkg-conf/resolve-dir/dir-a/dir-a-base-1.js b/test/fixture/pkg-conf/resolve-dir/dir-a/dir-a-base-1.js
index b999b33ea..dcc1fb40b 100644
--- a/test/fixture/pkg-conf/resolve-dir/dir-a/dir-a-base-1.js
+++ b/test/fixture/pkg-conf/resolve-dir/dir-a/dir-a-base-1.js
@@ -1,4 +1,4 @@
-import test from '../../../../../';
+import test from '../../../../..';
 
 test('test', t => {
 	t.pass();
diff --git a/test/fixture/pkg-conf/resolve-dir/dir-a/dir-a-base-2.js b/test/fixture/pkg-conf/resolve-dir/dir-a/dir-a-base-2.js
index b999b33ea..dcc1fb40b 100644
--- a/test/fixture/pkg-conf/resolve-dir/dir-a/dir-a-base-2.js
+++ b/test/fixture/pkg-conf/resolve-dir/dir-a/dir-a-base-2.js
@@ -1,4 +1,4 @@
-import test from '../../../../../';
+import test from '../../../../..';
 
 test('test', t => {
 	t.pass();
diff --git a/test/fixture/power-assert.js b/test/fixture/power-assert.js
index 78ee8ffff..9576092a7 100644
--- a/test/fixture/power-assert.js
+++ b/test/fixture/power-assert.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test.serial('bar', t => {
 	const a = 'foo';
diff --git a/test/fixture/precompile-helpers/test/test.js b/test/fixture/precompile-helpers/test/test.js
index 84812c864..263f208f3 100644
--- a/test/fixture/precompile-helpers/test/test.js
+++ b/test/fixture/precompile-helpers/test/test.js
@@ -1,4 +1,4 @@
-import test from '../../../../';
+import test from '../../../..';
 import a from './helpers/a';
 import b from './_b';
 
diff --git a/test/fixture/process-cwd-default.js b/test/fixture/process-cwd-default.js
index 35314c213..74d82446d 100644
--- a/test/fixture/process-cwd-default.js
+++ b/test/fixture/process-cwd-default.js
@@ -1,6 +1,6 @@
 import path from 'path';
 import pkgConf from 'pkg-conf';
-import test from '../../';
+import test from '../..';
 
 test('test', t => {
 	const conf = pkgConf.sync('ava');
diff --git a/test/fixture/process-cwd-pkgdir.js b/test/fixture/process-cwd-pkgdir.js
index 1fdfea5ac..cac9f85c1 100644
--- a/test/fixture/process-cwd-pkgdir.js
+++ b/test/fixture/process-cwd-pkgdir.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('test', t => {
 	t.is(process.cwd(), __dirname);
diff --git a/test/fixture/require-compiled-helper/test/verify.js b/test/fixture/require-compiled-helper/test/verify.js
index 98ff767ce..36f8e8738 100644
--- a/test/fixture/require-compiled-helper/test/verify.js
+++ b/test/fixture/require-compiled-helper/test/verify.js
@@ -1,4 +1,4 @@
-import test from '../../../../';
+import test from '../../../..';
 
 test('test', t => {
 	t.is(global.value, '🦄');
diff --git a/test/fixture/serial.js b/test/fixture/serial.js
index 186ba22fa..afaa3fb57 100644
--- a/test/fixture/serial.js
+++ b/test/fixture/serial.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 const tests = [];
 
diff --git a/test/fixture/skip-only.js b/test/fixture/skip-only.js
index f4e05f1d7..30f3b9fc2 100644
--- a/test/fixture/skip-only.js
+++ b/test/fixture/skip-only.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test.skip('test', t => {
 	t.fail();
diff --git a/test/fixture/slow-exit.js b/test/fixture/slow-exit.js
index e5642c151..fc191b2ff 100644
--- a/test/fixture/slow-exit.js
+++ b/test/fixture/slow-exit.js
@@ -1,5 +1,5 @@
 import signalExit from 'signal-exit';
-import test from '../../';
+import test from '../..';
 
 test.cb('long running', t => {
 	t.plan(1);
diff --git a/test/fixture/source-map-file-browser-env.js b/test/fixture/source-map-file-browser-env.js
index 00a214acd..94dcd0e4b 100644
--- a/test/fixture/source-map-file-browser-env.js
+++ b/test/fixture/source-map-file-browser-env.js
@@ -1,5 +1,5 @@
 const fixture = require('source-map-fixtures').mapFile('throws').require();
-const test = require('../../');
+const test = require('../..');
 
 global.window = function () {};
 global.XMLHttpRequest = function () {};
diff --git a/test/fixture/source-map-file.js b/test/fixture/source-map-file.js
index d460c6950..5862fceef 100644
--- a/test/fixture/source-map-file.js
+++ b/test/fixture/source-map-file.js
@@ -1,5 +1,5 @@
 const fixture = require('source-map-fixtures').mapFile('throws').require();
-const test = require('../../');
+const test = require('../..');
 
 const run = () => fixture.run();
 
diff --git a/test/fixture/source-map-inline.js b/test/fixture/source-map-inline.js
index 52d3510c4..768519ab9 100644
--- a/test/fixture/source-map-inline.js
+++ b/test/fixture/source-map-inline.js
@@ -1,5 +1,5 @@
 const fixture = require('source-map-fixtures').inline('throws').require();
-const test = require('../../');
+const test = require('../..');
 
 const run = () => fixture.run();
 
diff --git a/test/fixture/std-esm/test.js b/test/fixture/std-esm/test.js
index 4213c80a0..5a923ff67 100644
--- a/test/fixture/std-esm/test.js
+++ b/test/fixture/std-esm/test.js
@@ -1,4 +1,4 @@
-import test from '../../../';
+import test from '../../..';
 import m from '.';
 
 test('works', t => {
diff --git a/test/fixture/subdir/failing-subdir.js b/test/fixture/subdir/failing-subdir.js
index 351c571e7..5c132ea00 100644
--- a/test/fixture/subdir/failing-subdir.js
+++ b/test/fixture/subdir/failing-subdir.js
@@ -1,4 +1,4 @@
-import test from '../../../';
+import test from '../../..';
 
 test('subdir fail', t => {
 	t.fail();
diff --git a/test/fixture/subdir/in-a-subdir.js b/test/fixture/subdir/in-a-subdir.js
index 3022a6714..f17eb395c 100644
--- a/test/fixture/subdir/in-a-subdir.js
+++ b/test/fixture/subdir/in-a-subdir.js
@@ -1,4 +1,4 @@
-import test from '../../../';
+import test from '../../..';
 
 test('subdir', t => {
 	t.pass();
diff --git a/test/fixture/subdir/nested/nested.js b/test/fixture/subdir/nested/nested.js
index 88e68ff6b..fb433b976 100644
--- a/test/fixture/subdir/nested/nested.js
+++ b/test/fixture/subdir/nested/nested.js
@@ -1,4 +1,4 @@
-import test from '../../../../';
+import test from '../../../..';
 
 test('subdir', t => {
 	t.pass();
diff --git a/test/fixture/symlinkdir/symlink.js b/test/fixture/symlinkdir/symlink.js
index 91aa9c284..b888dee43 100644
--- a/test/fixture/symlinkdir/symlink.js
+++ b/test/fixture/symlinkdir/symlink.js
@@ -1,4 +1,4 @@
-import test from '../../../';
+import test from '../../..';
 
 test('test', t => {
 	t.pass();
diff --git a/test/fixture/target-symlink.js b/test/fixture/target-symlink.js
index 56bf8fb88..49d1343b0 100644
--- a/test/fixture/target-symlink.js
+++ b/test/fixture/target-symlink.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('test', t => {
 	t.pass();
diff --git a/test/fixture/test-count-2.js b/test/fixture/test-count-2.js
index b80f59cbf..5a13ece01 100644
--- a/test/fixture/test-count-2.js
+++ b/test/fixture/test-count-2.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('passCount', t => {
 	t.pass();
diff --git a/test/fixture/test-count-3.js b/test/fixture/test-count-3.js
index 086fb5824..b74ed5c4b 100644
--- a/test/fixture/test-count-3.js
+++ b/test/fixture/test-count-3.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('passCount', t => {
 	t.pass();
diff --git a/test/fixture/test-count.js b/test/fixture/test-count.js
index b80f59cbf..5a13ece01 100644
--- a/test/fixture/test-count.js
+++ b/test/fixture/test-count.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('passCount', t => {
 	t.pass();
diff --git a/test/fixture/trigger-worker-exception/test-fallback.js b/test/fixture/trigger-worker-exception/test-fallback.js
index 6c4098bf8..f2686d1c7 100644
--- a/test/fixture/trigger-worker-exception/test-fallback.js
+++ b/test/fixture/trigger-worker-exception/test-fallback.js
@@ -1,4 +1,4 @@
-import test from '../../../';
+import test from '../../..';
 
 test('test', async () => {
 	throw new Error('Hi :)');
diff --git a/test/fixture/trigger-worker-exception/test.js b/test/fixture/trigger-worker-exception/test.js
index f2e0b3866..3f622ec6e 100644
--- a/test/fixture/trigger-worker-exception/test.js
+++ b/test/fixture/trigger-worker-exception/test.js
@@ -1,4 +1,4 @@
-import test from '../../../';
+import test from '../../..';
 
 import {restoreAfterFirstCall} from './hack';
 
diff --git a/test/fixture/uncaught-exception.js b/test/fixture/uncaught-exception.js
index 2c110d45f..72f11c6f4 100644
--- a/test/fixture/uncaught-exception.js
+++ b/test/fixture/uncaught-exception.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('throw an uncaught exception', t => {
 	setImmediate(() => {
diff --git a/test/fixture/validate-installed-global.js b/test/fixture/validate-installed-global.js
index 112bbb531..92a823111 100644
--- a/test/fixture/validate-installed-global.js
+++ b/test/fixture/validate-installed-global.js
@@ -1,3 +1,3 @@
-import test from '../../';
+import test from '../..';
 
 test('test', t => t.is(global.foo, 'bar'));
diff --git a/test/fixture/watcher/tap-in-conf/test.js b/test/fixture/watcher/tap-in-conf/test.js
index c5af73c39..a7b86803a 100644
--- a/test/fixture/watcher/tap-in-conf/test.js
+++ b/test/fixture/watcher/tap-in-conf/test.js
@@ -1,4 +1,4 @@
-import test from '../../../../';
+import test from '../../../..';
 
 test('works', t => {
 	t.pass();
diff --git a/test/fixture/watcher/test.js b/test/fixture/watcher/test.js
index 777e7f3d8..035e8bb9c 100644
--- a/test/fixture/watcher/test.js
+++ b/test/fixture/watcher/test.js
@@ -1,4 +1,4 @@
-import test from '../../../';
+import test from '../../..';
 
 test('works', t => {
 	t.pass();
diff --git a/test/fixture/watcher/with-dependencies/test-1.js b/test/fixture/watcher/with-dependencies/test-1.js
index 50fac0a16..34848288a 100644
--- a/test/fixture/watcher/with-dependencies/test-1.js
+++ b/test/fixture/watcher/with-dependencies/test-1.js
@@ -1,4 +1,4 @@
-import test from '../../../../';
+import test from '../../../..';
 import dependency from './source';
 
 test('works', t => {
diff --git a/test/fixture/watcher/with-dependencies/test-2.js b/test/fixture/watcher/with-dependencies/test-2.js
index c5af73c39..a7b86803a 100644
--- a/test/fixture/watcher/with-dependencies/test-2.js
+++ b/test/fixture/watcher/with-dependencies/test-2.js
@@ -1,4 +1,4 @@
-import test from '../../../../';
+import test from '../../../..';
 
 test('works', t => {
 	t.pass();
diff --git a/test/fixture/with-dependencies/require-custom.js b/test/fixture/with-dependencies/require-custom.js
index e45f9ad5a..ccc22e9dc 100644
--- a/test/fixture/with-dependencies/require-custom.js
+++ b/test/fixture/with-dependencies/require-custom.js
@@ -1 +1,2 @@
+/* eslint-disable node/no-deprecated-api */
 require.extensions['.custom'] = require.extensions['.js'];
diff --git a/test/fixture/with-dependencies/test-failure.js b/test/fixture/with-dependencies/test-failure.js
index 62fe63b3a..58f0d6ca9 100644
--- a/test/fixture/with-dependencies/test-failure.js
+++ b/test/fixture/with-dependencies/test-failure.js
@@ -1,4 +1,4 @@
-import test from '../../../';
+import test from '../../..';
 
 import './dep-1'; // eslint-disable-line import/no-unassigned-import
 import './dep-2'; // eslint-disable-line import/no-unassigned-import
diff --git a/test/fixture/with-dependencies/test-uncaught-exception.js b/test/fixture/with-dependencies/test-uncaught-exception.js
index 47c9837b9..273218b8f 100644
--- a/test/fixture/with-dependencies/test-uncaught-exception.js
+++ b/test/fixture/with-dependencies/test-uncaught-exception.js
@@ -1,4 +1,4 @@
-import test from '../../../';
+import test from '../../..';
 
 import './dep-1'; // eslint-disable-line import/no-unassigned-import
 import './dep-2'; // eslint-disable-line import/no-unassigned-import
diff --git a/test/fixture/with-dependencies/test.js b/test/fixture/with-dependencies/test.js
index 89f03e713..6c193e67f 100644
--- a/test/fixture/with-dependencies/test.js
+++ b/test/fixture/with-dependencies/test.js
@@ -1,4 +1,4 @@
-import test from '../../../';
+import test from '../../..';
 
 import './dep-1'; // eslint-disable-line import/no-unassigned-import
 import './dep-2'; // eslint-disable-line import/no-unassigned-import
diff --git a/test/fixture/worker-argv.js b/test/fixture/worker-argv.js
index 614d723bf..6af882fa4 100644
--- a/test/fixture/worker-argv.js
+++ b/test/fixture/worker-argv.js
@@ -1,4 +1,4 @@
-import test from '../../';
+import test from '../..';
 
 test('argv', t => {
 	t.deepEqual(process.argv, [process.execPath, require.resolve('../../lib/test-worker.js'), '--hello', 'world']);
diff --git a/test/test.js b/test/test.js
index 5645759b9..fa0f32a1d 100644
--- a/test/test.js
+++ b/test/test.js
@@ -15,9 +15,11 @@ class ContextRef {
 	constructor() {
 		this.value = {};
 	}
+
 	get() {
 		return this.value;
 	}
+
 	set(newValue) {
 		this.value = newValue;
 	}
@@ -417,7 +419,7 @@ test('skipped assertions count towards the plan', t => {
 		a.deepEqual.skip({foo: 'bar'}, {foo: 'bar'});
 		a.notDeepEqual.skip({foo: 'bar'}, {baz: 'thud'});
 		a.throws.skip(() => {
-			throw new Error();
+			throw new Error(); // eslint-disable-line unicorn/error-message
 		});
 		a.notThrows.skip(() => {});
 		a.ifError.skip(null);
@@ -446,7 +448,7 @@ test('assertion.skip() is bound', t => {
 		(a.deepEqual.skip)({foo: 'bar'}, {foo: 'bar'});
 		(a.notDeepEqual.skip)({foo: 'bar'}, {baz: 'thud'});
 		(a.throws.skip)(() => {
-			throw new Error();
+			throw new Error(); // eslint-disable-line unicorn/error-message
 		});
 		(a.notThrows.skip)(() => {});
 		(a.ifError.skip)(null);
@@ -704,7 +706,7 @@ test('assertions are bound', t => {
 		(a.deepEqual)({foo: 'bar'}, {foo: 'bar'});
 		(a.notDeepEqual)({foo: 'bar'}, {baz: 'thud'});
 		(a.throws)(() => {
-			throw new Error();
+			throw new Error(); // eslint-disable-line unicorn/error-message
 		});
 		(a.notThrows)(() => {});
 		(a.ifError)(null);