Format all tests.

tests/isolate/checked_test.dart

Index: tests/isolate/checked_test.dart
diff --git a/tests/isolate/checked_test.dart b/tests/isolate/checked_test.dart
index 87f6a036ddc1a854216dcdc6be36d3f1aa1922c8..e807e17bb71fe0e9a52554b6e808e280eade2538 100644
--- a/tests/isolate/checked_test.dart
+++ b/tests/isolate/checked_test.dart
@@ -12,7 +12,7 @@ void main([args, message]) {
 
   bool isChecked = false;
   assert((isChecked = true));
-  if (isChecked) return;  // Skip this test in checked mode.
+  if (isChecked) return; // Skip this test in checked mode.
 
   var responses = {};
   var port = new RawReceivePort();
@@ -26,16 +26,16 @@ void main([args, message]) {
     }
   };
   test(checked) {
-    Isolate.spawnUri(Uri.parse("checked_test.dart"), [],
-                     [checked, isChecked, port.sendPort],
-                     checked: checked);
+    Isolate.spawnUri(
+        Uri.parse("checked_test.dart"), [], [checked, isChecked, port.sendPort],
+        checked: checked);
   }
+
   test(true);
   test(false);
   test(null);
 }
 
-
 void isolateMain(args) {
   var checkedFlag = args[0];
   var parentIsChecked = args[1];