tap@2.1.1

- Settle promises used in test cases.
- Handle out-of-bounds line numbers.

PR-URL: #9981

package.json

@@ -177,7 +177,7 @@
     "npm-registry-mock": "~1.0.1",
     "require-inject": "~1.2.1",
     "standard": "~4.5.4",
-    "tap": "~2.0.0"
+    "tap": "~2.1.1"
   },
   "scripts": {
     "dumpconf": "env | grep npm | sort | uniq",