fix(package): update chai-as-promised to version 7.0.0

Author: greenkeeper[bot]

package.json

@@ -35,7 +35,7 @@
   "dependencies": {
     "@reactivex/rxjs": "^5.3.0",
     "chai": "^4.0.1",
-    "chai-as-promised": "^6.0.0",
+    "chai-as-promised": "^7.0.0",
     "chalk": "^1.1.3",
     "commander": "^2.9.0",
     "fast-json-patch": "^1.2.2",