early return if no test tasks

Author: Feiyang1

scripts/ci-test/build.ts

@@ -27,7 +27,8 @@ export async function buildForTests(
 ) {
   try {
     if (testTasks.length === 0) {
-      chalk`{green No test tasks. Skipping all tests }`;
+      console.log(chalk`{green No test tasks. Skipping all builds }`);
+      return;
     }
 
     // hack to build Firestore which depends on @firebase/app-exp (because of firestore exp),

scripts/ci-test/run_changed.ts

@@ -79,7 +79,8 @@ const specialPaths = {
   ],
   'scripts/emulator-testing/firestore-test-runner.ts': ['@firebase/firestore'],
   'scripts/emulator-testing/database-test-runner.ts': ['@firebase/database'],
-  'packages/firestore': ['firebase-firestore-integration-test']
+  'packages/firestore': ['firebase-firestore-integration-test'],
+  'packages/messaging': ['firebase-messaging-integration-test']
 };
 
 /**

scripts/ci-test/run_changed_fcm_integration.ts

@@ -23,6 +23,7 @@ const includeOnlyPackages = ['firebase-messaging-integration-test'];
 async function run() {
   let testTasks = await getTestTasks();
   testTasks = testTasks.filter(t => includeOnlyPackages.includes(t.pkgName));
+
   await buildForTests(testTasks);
   runTests(testTasks);
 }