dart2js: run dartfmt on tests

tests/compiler/dart2js/simple_function_subtype_test.dart

Index: tests/compiler/dart2js/simple_function_subtype_test.dart
diff --git a/tests/compiler/dart2js/simple_function_subtype_test.dart b/tests/compiler/dart2js/simple_function_subtype_test.dart
index 3997deaeee7a5676359449a6217bcb3bddad0a74..a1b3a73fa83931eaf407cbdd68c2c1c076afff7d 100644
--- a/tests/compiler/dart2js/simple_function_subtype_test.dart
+++ b/tests/compiler/dart2js/simple_function_subtype_test.dart
@@ -52,12 +52,12 @@ foo() {
 
 main() {
   asyncTest(() => compile(TEST, entry: 'foo', check: (String generated) {
-    for (int i = 0 ; i <= 15  ; i++) {
-      String predicateCheck = '.\$is_args$i';
-      Expect.isTrue(generated.contains(predicateCheck),
-        'Expected predicate check $predicateCheck');
-    }
-    Expect.isFalse(generated.contains('checkFunctionSubtype'),
-      'Unexpected use of checkFunctionSubtype');
-  }));
-}
+        for (int i = 0; i <= 15; i++) {
+          String predicateCheck = '.\$is_args$i';
+          Expect.isTrue(generated.contains(predicateCheck),
+              'Expected predicate check $predicateCheck');
+        }
+        Expect.isFalse(generated.contains('checkFunctionSubtype'),
+            'Unexpected use of checkFunctionSubtype');
+      }));
+}