dart2js: run dartfmt on tests

tests/compiler/dart2js/analyze_dart2js_test.dart

Index: tests/compiler/dart2js/analyze_dart2js_test.dart
diff --git a/tests/compiler/dart2js/analyze_dart2js_test.dart b/tests/compiler/dart2js/analyze_dart2js_test.dart
index f5fc77c444a429e7b0daeabe97ae7e4cd06d9407..1b1736f59acc6213a4ef1c3119041fdfd0f0bae7 100644
--- a/tests/compiler/dart2js/analyze_dart2js_test.dart
+++ b/tests/compiler/dart2js/analyze_dart2js_test.dart
@@ -21,16 +21,14 @@ import 'related_types.dart';
  */
 // TODO(johnniwinther): Support canonical URIs as keys and message kinds as
 // values.
-const Map<String,List<String>> WHITE_LIST = const {
-};
+const Map<String, List<String>> WHITE_LIST = const {};
 
 void main() {
   var uri = currentDirectory.resolve('pkg/compiler/lib/src/dart2js.dart');
   asyncTest(() => analyze([uri], WHITE_LIST, checkResults: checkResults));
 }
 
-bool checkResults(Compiler compiler,
-                  CollectingDiagnosticHandler handler) {
+bool checkResults(Compiler compiler, CollectingDiagnosticHandler handler) {
   checkRelatedTypes(compiler);
   return !handler.hasHint;
-}
+}