Format all tests.

tests/isolate/spawn_uri_test.dart

Index: tests/isolate/spawn_uri_test.dart
diff --git a/tests/isolate/spawn_uri_test.dart b/tests/isolate/spawn_uri_test.dart
index 5f64d7d880ead54d4f36e1ba4569f7fb50b8b4f6..c2687cb4334c474b7d486bd974d86eb3a2cd0c8b 100644
--- a/tests/isolate/spawn_uri_test.dart
+++ b/tests/isolate/spawn_uri_test.dart
@@ -7,6 +7,7 @@
 // other isolate's code.
 // OtherScripts=spawn_uri_child_isolate.dart
 library spawn_tests;
+
 import 'dart:isolate';
 import 'package:unittest/unittest.dart';
 
@@ -18,7 +19,7 @@ main() {
       port.close();
     }));
 
-    Isolate.spawnUri(Uri.parse('spawn_uri_child_isolate.dart'),
-                     ['hi'], port.sendPort);
+    Isolate.spawnUri(
+        Uri.parse('spawn_uri_child_isolate.dart'), ['hi'], port.sendPort);
   });
 }