Format all tests.

tests/isolate/spawn_uri_missing_from_isolate_test.dart

Index: tests/isolate/spawn_uri_missing_from_isolate_test.dart
diff --git a/tests/isolate/spawn_uri_missing_from_isolate_test.dart b/tests/isolate/spawn_uri_missing_from_isolate_test.dart
index c7551d2b08f55fdd60e84b3c5e08f396760daabd..445edc182005f393225ab0952e1049b699a2c4e6 100644
--- a/tests/isolate/spawn_uri_missing_from_isolate_test.dart
+++ b/tests/isolate/spawn_uri_missing_from_isolate_test.dart
@@ -21,8 +21,7 @@ import 'spawn_uri_missing_test.dart';
 const String SUCCESS = 'Test worked.';
 
 void isolate(SendPort port) {
-  doTest().then(
-      (_) => port.send(SUCCESS),
+  doTest().then((_) => port.send(SUCCESS),
       onError: (error, stack) => port.send('Test failed: $error\n$stack'));
 }