test rename overhaul: step 8 - language tests

tests/language/src/AllocateTest.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.
-class MyAllocate {
-  const MyAllocate([int value = 0]) : value_ = value;
-  int getValue() { return value_; }
-  final int value_;
-}
-
-class AllocateTest {
-  static testMain() {
-    Expect.equals(900, (new MyAllocate(900)).getValue());
-  }
-}
-
-main() {
-  AllocateTest.testMain();
-}