Format all tests.

tests/lib_strong/html/audioelement_test.dart

Index: tests/lib_strong/html/audioelement_test.dart
diff --git a/tests/lib_strong/html/audioelement_test.dart b/tests/lib_strong/html/audioelement_test.dart
index 9f47b9fc8e4f7360213716943970615eff8293b7..53133b71f2b65c041826e70ad18a1803a83fa33c 100644
--- a/tests/lib_strong/html/audioelement_test.dart
+++ b/tests/lib_strong/html/audioelement_test.dart
@@ -4,22 +4,22 @@ import 'package:expect/minitest.dart';
 
 main() {
   test('constructorTest1', () {
-      var audio = new AudioElement();
-      expect(audio, isNotNull);
-      expect(audio is AudioElement, isTrue);
-    });
+    var audio = new AudioElement();
+    expect(audio, isNotNull);
+    expect(audio is AudioElement, isTrue);
+  });
 
   test('constructorTest2', () {
-      var audio = new AudioElement('IntentionallyMissingFileURL');
-      expect(audio, isNotNull);
-      expect(audio is AudioElement, isTrue);
-      expect(audio.src.contains('IntentionallyMissingFileURL'), isTrue);
-    });
+    var audio = new AudioElement('IntentionallyMissingFileURL');
+    expect(audio, isNotNull);
+    expect(audio is AudioElement, isTrue);
+    expect(audio.src.contains('IntentionallyMissingFileURL'), isTrue);
+  });
 
   test('canPlayTypeTest', () {
-      var audio = new AudioElement();
-      var canPlay = audio.canPlayType("audio/mp4");
-      expect(canPlay, isNotNull);
-      expect(canPlay is String, isTrue);
-    });
+    var audio = new AudioElement();
+    var canPlay = audio.canPlayType("audio/mp4");
+    expect(canPlay, isNotNull);
+    expect(canPlay is String, isTrue);
+  });
 }