dart2js: run dartfmt on tests

tests/compiler/dart2js/constant_namer_test.dart

Index: tests/compiler/dart2js/constant_namer_test.dart
diff --git a/tests/compiler/dart2js/constant_namer_test.dart b/tests/compiler/dart2js/constant_namer_test.dart
index 3e779adbe1681bc0b6f872ea735ec72a695be10d..b59fbf6697e020592041a8e5dcafe494f8677294 100644
--- a/tests/compiler/dart2js/constant_namer_test.dart
+++ b/tests/compiler/dart2js/constant_namer_test.dart
@@ -28,10 +28,10 @@ main() {
   }
 
   asyncTest(() => compile(TEST_ONE, entry: 'test').then((String generated) {
-    check(generated, '.List_12_53.');
-    check(generated, '.Token_start_null.');
-    check(generated, '.Token_end_null.');
-    check(generated, '.Token_yes_12.');
-    check(generated, '.Token_true_false.');
-  }));
+        check(generated, '.List_12_53.');
+        check(generated, '.Token_start_null.');
+        check(generated, '.Token_end_null.');
+        check(generated, '.Token_yes_12.');
+        check(generated, '.Token_true_false.');
+      }));
 }