diff --git a/packages/service-worker/test/BUILD.bazel b/packages/service-worker/test/BUILD.bazel
index ed6ba86bb0..636c8302a1 100644
--- a/packages/service-worker/test/BUILD.bazel
+++ b/packages/service-worker/test/BUILD.bazel
@@ -32,8 +32,6 @@ ts_web_test(
     bootstrap = [
         "//:angular_bootstrap_scripts",
     ],
-    # dissable since tests are running but not yet passing
-    tags = ["manual"],
     # do not sort
     deps = [
         "//packages/_testing_init:browser",
diff --git a/packages/service-worker/worker/testing/scope.ts b/packages/service-worker/worker/testing/scope.ts
index 2599c04a36..c918e335d7 100644
--- a/packages/service-worker/worker/testing/scope.ts
+++ b/packages/service-worker/worker/testing/scope.ts
@@ -96,8 +96,7 @@ export class SwTestHarness implements ServiceWorkerGlobalScope, Adapter, Context
   } as any;
 
   static envIsSupported(): boolean {
-    return (typeof require === 'function' && typeof require('url')['parse'] === 'function') ||
-        (typeof URL === 'function');
+    return (typeof URL === 'function') || (typeof require === 'function' && typeof require('url')['parse'] === 'function');
   }
 
   time: number;