refs #4691 make sure mocha reporter is there

tests/angularjs/package.json

@@ -13,6 +13,7 @@
         "karma-chrome-launcher": ">= 0.1.2",
         "karma-firefox-launcher": ">= 0.1.3",
         "karma-jshint-preprocessor": ">= 0.0.2",
+        "karma-mocha-reporter": ">= 0.2.2",
         "karma-spec-reporter": ">= 0.0.12"
     },
     "engines": {