dart2js: run dartfmt on tests

tests/compiler/dart2js_extra/deferred_fail_and_retry_test.dart

Index: tests/compiler/dart2js_extra/deferred_fail_and_retry_test.dart
diff --git a/tests/compiler/dart2js_extra/deferred_fail_and_retry_test.dart b/tests/compiler/dart2js_extra/deferred_fail_and_retry_test.dart
index 95b2771c8be5e6d8a287d326c1759f1c0d0bc3c8..5dc34c54137e4f99d032657e4c441f264a0f6005 100644
--- a/tests/compiler/dart2js_extra/deferred_fail_and_retry_test.dart
+++ b/tests/compiler/dart2js_extra/deferred_fail_and_retry_test.dart
@@ -12,7 +12,8 @@ import "dart:js" as js;
 main() {
   // We patch document.body.appendChild to change the script src on first
   // invocation.
-  js.context.callMethod("eval", ["""
+  js.context.callMethod("eval", [
+    """
     if (self.document) {
       oldAppendChild = document.body.appendChild;
       document.body.appendChild = function(element) {
@@ -28,7 +29,8 @@ main() {
         load("non_existing.js");
       }
     }
-  """]);
+  """
+  ]);
 
   asyncStart();
   lib.loadLibrary().then((_) {
@@ -42,4 +44,4 @@ main() {
       asyncEnd();
     });
   });
-}
+}