tests: Plugin backend tests in ci (#4314)

Author: webzwo0i

src/package.json

@@ -92,8 +92,7 @@
     "url": "https://github.com/ether/etherpad-lite.git"
   },
   "scripts": {
-    "test": "nyc wtfnode node_modules/.bin/_mocha --timeout 5000 --recursive ../tests/backend/specs",
-    "test-contentcollector": "nyc mocha --timeout 5000 ../tests/backend/specs",
+    "test": "nyc wtfnode node_modules/.bin/_mocha --timeout 5000 --recursive ../tests/backend/specs ../node_modules/ep_*/static/tests/backend/specs",
     "test-container": "nyc mocha --timeout 5000 ../tests/container/specs/api"
   },
   "version": "1.8.5",

tests/frontend/travis/runnerBackend.sh

@@ -46,6 +46,5 @@ cd src
 
 failed=0
 npm run test || failed=1
-npm run test-contentcollector || failed=1
 
 exit $failed