Merge branch 'europepmc-version-update' into 'devel_15.0.x'

mocha unit test time limit increased

See merge request !1227

frontend-js/package.json

@@ -14,7 +14,7 @@
     "deploy": "node scripts/deploy.js",
     "refresh-mock-requests": "node scripts/refresh_mock_requests.js",
     "lint": "jshint src/.",
-    "test": "istanbul cover node_modules/mocha/bin/_mocha -- --recursive src/test/js --retries 4 --timeout 4000"
+    "test": "istanbul cover node_modules/mocha/bin/_mocha -- --recursive src/test/js --retries 4 --timeout 10000"
   },
   "author": "Piotr Gawron",
   "devDependencies": {