Files.app: Fix nits in FileOperationManager.

chrome/test/data/file_manager/unit_tests/file_operation_manager_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.
 'use strict';
 
 /**
  * Mock of chrome.runtime.
  * @type {Object}
  * @const
  */
@@ skipping 219 matching lines @@
     assertEquals('BEGIN', firstEvent.reason);
     assertEquals(1, firstEvent.status.numRemainingItems);
     assertEquals(0, firstEvent.status.processedBytes);
     assertEquals(1, firstEvent.status.totalBytes);
 
     var lastEvent = events[events.length - 1];
     assertEquals('SUCCESS', lastEvent.reason);
     assertEquals(0, lastEvent.status.numRemainingItems);
     assertEquals(10, lastEvent.status.processedBytes);
     assertEquals(10, lastEvent.status.totalBytes);
-
-    assertTrue(events.some(function(event) {
-      return event.type === 'entry-changed' &&
-          event.entry === targetEntry;
-    }));
   }), callback);
 
   fileOperationManager.paste(sourceEntries, targetEntry, false);
 }