Increase JS tests timeout for modules that interact with Firebase emulator

Author: shepeliev

firebase-auth/karma.config.d/karma.conf.js

@@ -0,0 +1,8 @@
+// Some tests are fluky in GitHub Actions, so we increase the timeout.
+config.set({
+    client: {
+      mocha: {
+        timeout: 5000
+      }
+    },
+});

firebase-database/karma.config.d/karma.conf.js

@@ -0,0 +1,8 @@
+// Some tests are fluky in GitHub Actions, so we increase the timeout.
+config.set({
+    client: {
+      mocha: {
+        timeout: 5000
+      }
+    },
+});