test rename overhaul: step 8 - language tests

tests/language/field_method_test.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 // Dart test. Fields can be invoked directly if they are unqualified.
 
 class A {
   var foo;
   A() {
     foo = () { };
   }
   void bar() {
     foo();  // <= foo is a field, but can still be invoked without parenthesis.
   }
 }
 
 class FieldMethodTest {
   static testMain() {
     new A().bar();
   }
 }
 
 main() {
   FieldMethodTest.testMain();
 }