Format all tests.

tests/language_strong/closure3_test.dart

Index: tests/language_strong/closure3_test.dart
diff --git a/tests/language_strong/closure3_test.dart b/tests/language_strong/closure3_test.dart
index 358a78a678d1f2d98929ea458793a87613e55ed7..f8053c46c3d269626c8add525cc66156e2ff71f3 100644
--- a/tests/language_strong/closure3_test.dart
+++ b/tests/language_strong/closure3_test.dart
@@ -8,9 +8,13 @@ import "package:expect/expect.dart";
 // seems to be free of side-effects.
 
 test(x, y) {
-  (() { x - y; })();
+  (() {
+    x - y;
+  })();
 }
 
 main() {
-  Expect.throws(() { test(null, 2); }, (e) => e is NoSuchMethodError);
+  Expect.throws(() {
+    test(null, 2);
+  }, (e) => e is NoSuchMethodError);
 }