Format all tests.

tests/html/js_typed_interop_side_cast_test.dart

Index: tests/html/js_typed_interop_side_cast_test.dart
diff --git a/tests/html/js_typed_interop_side_cast_test.dart b/tests/html/js_typed_interop_side_cast_test.dart
index cf5ee5ac8791cc5cf44dd5d075115db72035e760..6266abd3978396a9561e2c5eae8ed51a71c64562 100644
--- a/tests/html/js_typed_interop_side_cast_test.dart
+++ b/tests/html/js_typed_interop_side_cast_test.dart
@@ -12,19 +12,22 @@ import 'package:js/js.dart';
 import 'package:unittest/unittest.dart';
 import 'package:unittest/html_config.dart';
 
-@JS() @anonymous
+@JS()
+@anonymous
 class A {
   external int get x;
   external factory A({int x});
 }
 
-@JS() @anonymous
+@JS()
+@anonymous
 class C {
   external int get x;
   external factory C({int x});
 }
 
-@JS() @anonymous
+@JS()
+@anonymous
 class B {
   external int get x;
   external factory B({int x});