diff --git a/pkgs/test_core/CHANGELOG.md b/pkgs/test_core/CHANGELOG.md
index bfc510c..c3ff65b 100644
--- a/pkgs/test_core/CHANGELOG.md
+++ b/pkgs/test_core/CHANGELOG.md
@@ -17,6 +17,7 @@
   * Previously the loading pool was 2x larger than the actual concurrency
     setting which could cause flaky tests due to tests being loaded while
     other tests were running, even with `-j1`.
+* Avoid printing uncaught errors within `spawnHybridUri`.
 
 ## 0.2.18
 
diff --git a/pkgs/test_core/lib/src/runner/hybrid_listener.dart b/pkgs/test_core/lib/src/runner/hybrid_listener.dart
index 36e8242..022405b 100644
--- a/pkgs/test_core/lib/src/runner/hybrid_listener.dart
+++ b/pkgs/test_core/lib/src/runner/hybrid_listener.dart
@@ -74,7 +74,7 @@
   }, onError: (error, stackTrace) async {
     _sendError(channel, error, stackTrace);
     await channel.sink.close();
-    Zone.current.handleUncaughtError(error, stackTrace);
+    Isolate.current.kill();
   });
 }