Fix navigation to unittest files

tools/telemetry/telemetry/page/actions/click_element_unittest.py

 # Copyright (c) 2012 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.
 
-from telemetry.core import util
 from telemetry.page.actions import click_element
 from telemetry.page.actions import wait
 from telemetry.unittest import tab_test_case
-from telemetry.unittest import test
 
 
 class ClickElementActionTest(tab_test_case.TabTestCase):
-  @test.Disabled('chromeos')
   def testClickWithSelectorWaitForNavigation(self):
-    self._browser.SetHTTPServerDirectories(util.GetUnittestDataDir())
-    self._tab.Navigate(
-      self._browser.http_server.UrlOf('page_with_link.html'))
-    self._tab.WaitForDocumentReadyStateToBeComplete()
+    self.Navigate('page_with_link.html')
     self.assertEquals(
         self._tab.EvaluateJavaScript('document.location.pathname;'),
         '/page_with_link.html')
 
     data = {'selector': 'a[id="clickme"]'}
     i = click_element.ClickElementAction(data)
     data = {'condition': 'href_change'}
     j = wait.WaitAction(data)
     j.RunAction(None, self._tab, i)
 
     self.assertEquals(
         self._tab.EvaluateJavaScript('document.location.pathname;'),
         '/blank.html')
 
-  @test.Disabled('chromeos')
   def testClickWithSingleQuoteSelectorWaitForNavigation(self):
-    self._browser.SetHTTPServerDirectories(util.GetUnittestDataDir())
-    self._tab.Navigate(
-      self._browser.http_server.UrlOf('page_with_link.html'))
-    self._tab.WaitForDocumentReadyStateToBeComplete()
+    self.Navigate('page_with_link.html')
     self.assertEquals(
         self._tab.EvaluateJavaScript('document.location.pathname;'),
         '/page_with_link.html')
 
     data = {'selector': 'a[id=\'clickme\']'}
     i = click_element.ClickElementAction(data)
     data = {'condition': 'href_change'}
     j = wait.WaitAction(data)
     j.RunAction(None, self._tab, i)
 
     self.assertEquals(
         self._tab.EvaluateJavaScript('document.location.pathname;'),
         '/blank.html')
 
-  @test.Disabled('chromeos')
   def testClickWithTextWaitForRefChange(self):
-    self._browser.SetHTTPServerDirectories(util.GetUnittestDataDir())
-    self._tab.Navigate(
-      self._browser.http_server.UrlOf('page_with_link.html'))
-    self._tab.WaitForDocumentReadyStateToBeComplete()
+    self.Navigate('page_with_link.html')
     self.assertEquals(
         self._tab.EvaluateJavaScript('document.location.pathname;'),
         '/page_with_link.html')
 
     data = {'text': 'Click me'}
     i = click_element.ClickElementAction(data)
     data = {'condition': 'href_change'}
     j = wait.WaitAction(data)
     j.RunAction(None, self._tab, i)
 
     self.assertEquals(
         self._tab.EvaluateJavaScript('document.location.pathname;'),
         '/blank.html')
 
-  @test.Disabled('chromeos')
   def testClickWithXPathWaitForRefChange(self):
-    self._browser.SetHTTPServerDirectories(util.GetUnittestDataDir())
-    self._tab.Navigate(
-      self._browser.http_server.UrlOf('page_with_link.html'))
-    self._tab.WaitForDocumentReadyStateToBeComplete()
+    self.Navigate('page_with_link.html')
     self.assertEquals(
         self._tab.EvaluateJavaScript('document.location.pathname;'),
         '/page_with_link.html')
 
     data = {'xpath': '//a[@id="clickme"]'}
     i = click_element.ClickElementAction(data)
     data = {'condition': 'href_change'}
     j = wait.WaitAction(data)
     j.RunAction(None, self._tab, i)
 
     self.assertEquals(
         self._tab.EvaluateJavaScript('document.location.pathname;'),
         '/blank.html')