Format all tests.

tests/lib_strong/async/catch_errors_test.dart

Index: tests/lib_strong/async/catch_errors_test.dart
diff --git a/tests/lib_strong/async/catch_errors_test.dart b/tests/lib_strong/async/catch_errors_test.dart
index adbe5ae0679b4d55609b27c715e4aed0b9e0ddc6..10ddb90582c5dda7261b035661310364fa4472e8 100644
--- a/tests/lib_strong/async/catch_errors_test.dart
+++ b/tests/lib_strong/async/catch_errors_test.dart
@@ -13,7 +13,9 @@ main() {
   // Make sure `catchErrors` does not execute the error callback.
   catchErrors(() {
     return 'allDone';
-  }).listen((x) { Expect.fail("Unexpected callback"); });
+  }).listen((x) {
+    Expect.fail("Unexpected callback");
+  });
 
   // Wait one cycle before shutting down the test.
   Timer.run(asyncEnd);