Move mocks and unittest JS files to sit alongside production code.

remoting/webapp/crd/js/dns_blackhole_checker_unittest.js

 // Copyright 2015 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.
 
 /**
  * @fileoverview
  * TODO(garykac): Create interface for SignalStrategy.
  * @suppress {checkTypes|checkVars|reportUnknownTypes|visibility}
  */
 
@@ skipping 150 matching lines @@
     // Verify that DnsBlackholeChecker goes to FAILED state after it gets the
     // blocked HTTP response.
     fakeXhrs[0].respond(400);
     sinon.assert.calledWith(onStateChange,
                             remoting.SignalStrategy.State.FAILED);
     equal(checker.getError().tag, remoting.Error.Tag.NOT_AUTHORIZED);
   }
 );
 
 })();