Update CI test command to disable watch mode

package.json

@@ -8,7 +8,7 @@
     "build:prod": "ng build --configuration=production --base-href=/chuck-norris-joke-generator/",
     "watch": "ng build --watch --configuration development",
     "test": "ng test",
-    "ci:test": "ng test --browsers ChromeHeadless"
+    "ci:test": "ng test --browsers ChromeHeadless --watch=false"
   },
   "private": true,
   "dependencies": {