Format all tests.

tests/compiler/dart2js_native/abstract_class_test.dart

Index: tests/compiler/dart2js_native/abstract_class_test.dart
diff --git a/tests/compiler/dart2js_native/abstract_class_test.dart b/tests/compiler/dart2js_native/abstract_class_test.dart
index d90fe2ecfeaa94e0e75c3f0a69404c6122d1868a..0b74fc3afb30a99f2e5df0b7cacc583c8ac172c5 100644
--- a/tests/compiler/dart2js_native/abstract_class_test.dart
+++ b/tests/compiler/dart2js_native/abstract_class_test.dart
@@ -13,13 +13,13 @@ abstract class A {}
 
 @Native("B")
 abstract class B {
-  foo() native ;
+  foo() native;
 }
 
 class C {}
 
-makeA() native ;
-makeB() native ;
+makeA() native;
+makeB() native;
 
 void setup() native """
 // This code is all inside 'setup' and so not accesible from the global scope.