dart2js: run dartfmt on tests

tests/compiler/dart2js/async_compiler_input_provider_test.dart

Index: tests/compiler/dart2js/async_compiler_input_provider_test.dart
diff --git a/tests/compiler/dart2js/async_compiler_input_provider_test.dart b/tests/compiler/dart2js/async_compiler_input_provider_test.dart
index c7bc35bb55b9c937ba43c182db52e9ba58a9d84f..b178c3e6ddd65a5535d019502b76bfb33ee8f69f 100644
--- a/tests/compiler/dart2js/async_compiler_input_provider_test.dart
+++ b/tests/compiler/dart2js/async_compiler_input_provider_test.dart
@@ -47,13 +47,13 @@ main() {
   Uri packageRoot = script.resolve('./packages/');
 
   asyncTest(() => compiler.compile(entrypoint, libraryRoot, packageRoot,
-      provideInput, handleDiagnostic, []).then((code) {
-    Expect.isNotNull(code);
-  }));
+          provideInput, handleDiagnostic, []).then((code) {
+        Expect.isNotNull(code);
+      }));
 }
 
-void handleDiagnostic(Uri uri, int begin, int end, String message,
-                      compiler.Diagnostic kind) {
+void handleDiagnostic(
+    Uri uri, int begin, int end, String message, compiler.Diagnostic kind) {
   print(message);
   if (kind != compiler.Diagnostic.VERBOSE_INFO) {
     throw 'Unexpected diagnostic kind $kind';