Format all tests.

tests/compiler/dart2js_native/subclassing_5_test.dart

Index: tests/compiler/dart2js_native/subclassing_5_test.dart
diff --git a/tests/compiler/dart2js_native/subclassing_5_test.dart b/tests/compiler/dart2js_native/subclassing_5_test.dart
index 26a46550183bcec7e4cee1900167c4baba1f1057..dfe2b0eb7983cc008ccc4fcba77682be5dca5087 100644
--- a/tests/compiler/dart2js_native/subclassing_5_test.dart
+++ b/tests/compiler/dart2js_native/subclassing_5_test.dart
@@ -34,10 +34,10 @@ class Checks<T> {
   }
 }
 
-makeB() native ;
+makeB() native;
 
 @Creates('=Object')
-getBPrototype() native ;
+getBPrototype() native;
 
 void setup() native r"""
 function B() {}