Move Integration tests out of workflows

Author: zwu52

packages/messaging/package.json

@@ -15,7 +15,8 @@
     "build": "rollup -c",
     "build:deps": "lerna run --scope @firebase/'{app,messaging}' --include-dependencies build",
     "dev": "rollup -c -w",
-    "test": "run-p test:karma type-check lint && cd ../../integration/messaging && npm run-script test",
+    "test": "run-p test:karma type-check lint ",
+    "test:integration": "run-p test:karma type-check lint && cd ../../integration/messaging && npm run-script test",
     "test:ci": "node ../../scripts/run_tests_in_ci.js",
     "test:karma": "karma start --single-run",
     "test:debug": "karma start --browsers=Chrome --auto-watch",

scripts/run_saucelabs.js

@@ -38,11 +38,8 @@ const testFiles = configFiles.length
   ? configFiles
   : glob
       .sync(`{packages,integration}/*/karma.conf.js`)
-      .filter(
-        name =>
-          !name.includes('integration/firestore') &&
-          !name.includes('integration/messaging')
-      );
+      // Automated tests in integration/firestore are currently disabled.
+      .filter(name => !name.includes('integration/firestore'));
 
 // Get CI build number or generate one if running locally.
 const buildNumber =