Format all tests.

tests/language_strong/function_subtype_typearg2_test.dart

Index: tests/language_strong/function_subtype_typearg2_test.dart
diff --git a/tests/language_strong/function_subtype_typearg2_test.dart b/tests/language_strong/function_subtype_typearg2_test.dart
index 0859133e6db77d924639649a1f6550500ccbf0de..c8d0f7aa317672c7afcb689cac819e8688787305 100644
--- a/tests/language_strong/function_subtype_typearg2_test.dart
+++ b/tests/language_strong/function_subtype_typearg2_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<f1>() is C<f2>);
-}
+}