[Android History] Even more polish

chrome/android/javatests/src/org/chromium/chrome/browser/history/HistoryActivityTest.java

 // Copyright 2017 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.
 
 package org.chromium.chrome.browser.history;
 
 import android.accounts.Account;
 import android.app.Activity;
 import android.app.Instrumentation;
 import android.app.Instrumentation.ActivityMonitor;
@@ skipping 443 matching lines @@
             }
         });
         CriteriaHelper.pollUiThread(new Criteria() {
             @Override
             public boolean isSatisfied() {
                 return TextUtils.equals(mItem1.getUrl(), clipboardManager.getText());
             }
         });
 
         // Check that the copy link item is not visible when more than one item is selected.
+        toggleItemSelection(2);
         toggleItemSelection(3);
         assertFalse(toolbar.getItemById(R.id.selection_mode_copy_link).isVisible());
     }
 
     private void toggleItemSelection(int position) throws Exception {
         int callCount = mTestObserver.onSelectionCallback.getCallCount();
         final SelectableItemView<HistoryItem> itemView = getItemView(position);
         ThreadUtils.runOnUiThread(new Runnable() {
             @Override
             public void run() {
@@ skipping 81 matching lines @@
 
         // Remove observer
         ThreadUtils.runOnUiThreadBlocking(new Runnable() {
             @Override
             public void run() {
                 SigninManager.get(getActivity()).removeSignInStateObserver(mTestObserver);
             }
         });
     }
 }