test rename overhaul: step 8 - language tests

tests/language/src/StaticField4NegativeTest.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.
-// Test that an instance field cannot be set as a static field.
-
-class Foo {
-  Foo() {}
-  var x;
-}
-
-class StaticField4NegativeTest {
-  static testMain() {
-    if (false) {
-      Foo.x = 1;
-    }
-  }
-}
-
-main() {
-  StaticField4NegativeTest.testMain();
-}