Format all tests.

tests/html/js_typed_interop_side_cast_exp_test.dart

Index: tests/html/js_typed_interop_side_cast_exp_test.dart
diff --git a/tests/html/js_typed_interop_side_cast_exp_test.dart b/tests/html/js_typed_interop_side_cast_exp_test.dart
index 8b67c7b72ed831d00a6aa3f30a314095f027bc92..1d1a708ba9046491ee4ff0e6dce2d6c1de2daf83 100644
--- a/tests/html/js_typed_interop_side_cast_exp_test.dart
+++ b/tests/html/js_typed_interop_side_cast_exp_test.dart
@@ -17,19 +17,22 @@ 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 B {
   external int get x;
   external factory B({int x});
 }
 
-@JS() @anonymous
+@JS()
+@anonymous
 class C {
   external int get x;
   external factory C({int x});