Cleanup mojo-js tests.

mojo/public/js/tests/core_unittest.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 define([
     "gin/test/expect",
     "mojo/public/js/core",
     "gc",
   ], function(expect, core, gc) {
 
@@ skipping 226 matching lines @@
     }
 
     expect(core.unmapBuffer(mappedBuffer0.buffer)).toBe(core.RESULT_OK);
     expect(core.unmapBuffer(mappedBuffer1.buffer)).toBe(core.RESULT_OK);
 
     expect(core.close(dupedBufferHandle.handle)).toBe(core.RESULT_OK);
     expect(core.close(sharedBuffer.handle)).toBe(core.RESULT_OK);
   }
 
 });