Format all tests.

tests/lib/mirrors/type_argument_is_type_variable_test.dart

Index: tests/lib/mirrors/type_argument_is_type_variable_test.dart
diff --git a/tests/lib/mirrors/type_argument_is_type_variable_test.dart b/tests/lib/mirrors/type_argument_is_type_variable_test.dart
index 9506c20052a386acfec838730a833c2596fb2af1..ba1890077c3225900063e2fe1e78bba2aa162871 100644
--- a/tests/lib/mirrors/type_argument_is_type_variable_test.dart
+++ b/tests/lib/mirrors/type_argument_is_type_variable_test.dart
@@ -12,7 +12,9 @@ import 'package:expect/expect.dart';
 import 'generics_helper.dart';
 
 class SuperSuper<SS> {}
+
 class Super<S> extends SuperSuper<S> {}
+
 class Generic<G> extends Super<G> {}
 
 main() {
@@ -23,7 +25,8 @@ main() {
 
   TypeVariableMirror gFromGeneric = generic.typeVariables.single;
   TypeVariableMirror sFromSuper = superOfGeneric.typeVariables.single;
-  TypeVariableMirror ssFromSuperSuper = superOfSuperOfGeneric.typeVariables.single;
+  TypeVariableMirror ssFromSuperSuper =
+      superOfSuperOfGeneric.typeVariables.single;
 
   Expect.equals(#G, gFromGeneric.simpleName);
   Expect.equals(#S, sFromSuper.simpleName);
@@ -37,7 +40,6 @@ main() {
   typeArguments(superOfGeneric, [gFromGeneric]);
   typeArguments(superOfSuperOfGeneric, [gFromGeneric]);
 
-
   // Instantiations.
   ClassMirror genericWithInt = reflect(new Generic<int>()).type;
   ClassMirror superOfGenericWithInt = genericWithInt.superclass;