test rename overhaul: step 8 - language tests

tests/language/src/SwitchScopeTest.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 a new scope is introduced for each switch case.
-
-class SwitchScopeTest {
-  static testMain() {
-    switch(1) {
-      case 1:
-        final v = 1;
-        break;
-      case 2:
-        final v = 2;
-        Expect.equals(2, v);
-        break;
-      default:
-        final v = 3;
-        break;
-    }
-  }
-}
-
-main() {
-  SwitchScopeTest.testMain();
-}