Update supertest to the latest version 🚀 (#22)

* chore(package): update supertest to version 3.2.0

* chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

package.json

@@ -40,6 +40,6 @@
     "jshint-stylish": "~2.2.1",
     "mocha": "~5.2.0",
     "mocha-lcov-reporter": "~1.3.0",
-    "supertest": "~3.1.0"
+    "supertest": "~3.2.0"
   }
 }

yarn.lock

@@ -859,7 +859,7 @@ form-data@^2.3.1, form-data@~2.3.1:
     combined-stream "1.0.6"
     mime-types "^2.1.12"
 
-formidable@^1.1.1:
+formidable@^1.2.0:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/formidable/-/formidable-1.2.1.tgz#70fb7ca0290ee6ff961090415f4b3df3d2082659"
 
@@ -1849,7 +1849,7 @@ merge-descriptors@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
 
-methods@^1.1.1, methods@~1.1.2:
+methods@^1.1.1, methods@^1.1.2, methods@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
 
@@ -2339,7 +2339,7 @@ read-pkg@^1.0.0:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
-readable-stream@^2.0.5, readable-stream@^2.1.5:
+readable-stream@^2.1.5, readable-stream@^2.3.5:
   version "2.3.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   dependencies:
@@ -2745,27 +2745,27 @@ strip-indent@^1.0.1:
   dependencies:
     get-stdin "^4.0.1"
 
-superagent@3.8.2:
-  version "3.8.2"
-  resolved "https://registry.yarnpkg.com/superagent/-/superagent-3.8.2.tgz#e4a11b9d047f7d3efeb3bbe536d9ec0021d16403"
+superagent@^3.8.3:
+  version "3.8.3"
+  resolved "https://registry.yarnpkg.com/superagent/-/superagent-3.8.3.tgz#460ea0dbdb7d5b11bc4f78deba565f86a178e128"
   dependencies:
     component-emitter "^1.2.0"
     cookiejar "^2.1.0"
     debug "^3.1.0"
     extend "^3.0.0"
     form-data "^2.3.1"
-    formidable "^1.1.1"
+    formidable "^1.2.0"
     methods "^1.1.1"
     mime "^1.4.1"
     qs "^6.5.1"
-    readable-stream "^2.0.5"
+    readable-stream "^2.3.5"
 
-supertest@~3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/supertest/-/supertest-3.1.0.tgz#f9ebaf488e60f2176021ec580bdd23ad269e7bc6"
+supertest@~3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/supertest/-/supertest-3.2.0.tgz#9addd40096135f4fb8f032dd7c3fe3789604aa7a"
   dependencies:
-    methods "~1.1.2"
-    superagent "3.8.2"
+    methods "^1.1.2"
+    superagent "^3.8.3"
 
 supports-color@5.4.0, supports-color@^5.4.0:
   version "5.4.0"