Format all tests.

tests/compiler/dart2js_native/native_mixin_with_plain_test.dart

Index: tests/compiler/dart2js_native/native_mixin_with_plain_test.dart
diff --git a/tests/compiler/dart2js_native/native_mixin_with_plain_test.dart b/tests/compiler/dart2js_native/native_mixin_with_plain_test.dart
index 5311c3236be836aec60e911124cc4295a399cd4f..535c28dda948c5da5d6001ef522942f295e14763 100644
--- a/tests/compiler/dart2js_native/native_mixin_with_plain_test.dart
+++ b/tests/compiler/dart2js_native/native_mixin_with_plain_test.dart
@@ -37,8 +37,8 @@ class D extends C with M {
   get mm => 'D.mm($cc)';
 }
 
-makeA() native ;
-makeB() native ;
+makeA() native;
+makeB() native;
 
 void setup() native """
 function A() {this.aa = 'aa'}