Fix indentation.

tests/lib/async/catch_errors.dart

Index: tests/lib/async/catch_errors.dart
diff --git a/tests/lib/async/catch_errors.dart b/tests/lib/async/catch_errors.dart
index b7c5d604ad8bf1c82c07c3f790d95b2f1d398a22..c84c9aadc39558aab6db0084d79f59d147fb39e7 100644
--- a/tests/lib/async/catch_errors.dart
+++ b/tests/lib/async/catch_errors.dart
@@ -46,8 +46,8 @@ runZonedScheduleMicrotask(body(),
     };
   }
   ZoneSpecification specification =
-    new ZoneSpecification(handleUncaughtError: errorHandler,
-                        scheduleMicrotask: asyncHandler);
+      new ZoneSpecification(handleUncaughtError: errorHandler,
+                            scheduleMicrotask: asyncHandler);
   Zone zone = Zone.current.fork(specification: specification);
   if (onError != null) {
     return zone.runGuarded(body);