dart2js: run dartfmt on tests

tests/compiler/dart2js/no_duplicate_stub_test.dart

Index: tests/compiler/dart2js/no_duplicate_stub_test.dart
diff --git a/tests/compiler/dart2js/no_duplicate_stub_test.dart b/tests/compiler/dart2js/no_duplicate_stub_test.dart
index 8ace11b9c6fbb6f09306e41a36ad51ea3f0f1723..5327507b912304100a76f6c551c408a4883a14d9 100644
--- a/tests/compiler/dart2js/no_duplicate_stub_test.dart
+++ b/tests/compiler/dart2js/no_duplicate_stub_test.dart
@@ -30,8 +30,8 @@ baz(a) {
 
 main() {
   asyncTest(() => compileAll(TEST).then((generated) {
-    RegExp regexp = new RegExp('foo\\\$1\\\$a: function');
-    Iterator<Match> matches = regexp.allMatches(generated).iterator;
-    checkNumberOfMatches(matches, 1);
-  }));
+        RegExp regexp = new RegExp('foo\\\$1\\\$a: function');
+        Iterator<Match> matches = regexp.allMatches(generated).iterator;
+        checkNumberOfMatches(matches, 1);
+      }));
 }