Format all tests.

tests/compiler/dart2js_native/subclassing_3_test.dart

Index: tests/compiler/dart2js_native/subclassing_3_test.dart
diff --git a/tests/compiler/dart2js_native/subclassing_3_test.dart b/tests/compiler/dart2js_native/subclassing_3_test.dart
index 528104d160bd34e875b3616eb3f9007914cef1bc..ec2e437a9d4bdf37739edd65baf01616c0732b09 100644
--- a/tests/compiler/dart2js_native/subclassing_3_test.dart
+++ b/tests/compiler/dart2js_native/subclassing_3_test.dart
@@ -29,10 +29,10 @@ class B extends A with M {
   // [miz] is introduced only on the mixin-application A+M.
 }
 
-B makeB() native ;
+B makeB() native;
 
 @Creates('=Object')
-getBPrototype() native ;
+getBPrototype() native;
 
 void setup() native r"""
 function B() {}