chore(package): update supertest-as-promised to version 4.0.2

https://greenkeeper.io/

package.json

@@ -248,7 +248,7 @@
     "stylelint": "7.5.0",
     "stylelint-config-standard": "14.0.0",
     "supertest": "2.0.1",
-    "supertest-as-promised": "4.0.1",
+    "supertest-as-promised": "4.0.2",
     "svg-url-loader": "1.1.0",
     "webpack": "1.13.3",
     "webpack-dev-middleware": "1.6.1",