Format all tests.

tests/language_strong/function_subtype_typearg1_test.dart

Index: tests/language_strong/function_subtype_typearg1_test.dart
diff --git a/tests/language_strong/function_subtype_typearg1_test.dart b/tests/language_strong/function_subtype_typearg1_test.dart
index 5575b91953f05c39ac9ecd8c3d4dc885b609f415..1d6e47311e11548e477cdab6d4c722791137ade7 100644
--- a/tests/language_strong/function_subtype_typearg1_test.dart
+++ b/tests/language_strong/function_subtype_typearg1_test.dart
@@ -10,6 +10,7 @@ import 'package:expect/expect.dart';
 class C<T> {}
 
 class I {}
+
 class J extends I {}
 
 typedef void f1(C<J> c);
@@ -17,4 +18,4 @@ typedef void f2(C<I> c);
 
 main() {
   Expect.isTrue(new C<f2>() is C<f1>);
-}
+}