[ChromeDriver] Fix testSendTextToAlert

This CL is a fix of the bug 2164.

Chrome no longer allows navigate to the data URL we use in our tests as a startup page.
We change in this test to open an empty page.

Bug: chromedriver:2164
Change-Id: I922ee17e68086d631143e81fce794df99ed3840d
Reviewed-on: https://chromium-review.googlesource.com/823256Reviewed-by: John Chen <johnchen@chromium.org>
Commit-Queue: Artur Khachatryan <khachatryan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#523620}

chrome/test/chromedriver/test/run_py_tests.py

@@ -87,8 +87,6 @@ _VERSION_SPECIFIC_FILTER['HEAD'] = [
     'MobileEmulationCapabilityTest.testDeviceName',
     'MobileEmulationCapabilityTest.testNetworkConnectionTypeIsAppliedToAllTabs',
     'MobileEmulationCapabilityTest.testNetworkConnectionTypeIsAppliedToAllTabsImmediately',
-    # https://bugs.chromium.org/p/chromedriver/issues/detail?id=2164
-    'ChromeDriverTest.testSendTextToAlert',
 ]
 
 _VERSION_SPECIFIC_FILTER['64'] = [
@@ -200,8 +198,6 @@ _ANDROID_NEGATIVE_FILTER['chromium'] = (
         'ChromeDriverTest.testHoverOverElement',
         # https://bugs.chromium.org/p/chromedriver/issues/detail?id=1478
         'ChromeDriverTest.testShouldHandleNewWindowLoadingProperly',
-        # https://bugs.chromium.org/p/chromedriver/issues/detail?id=2164
-        'ChromeDriverTest.testSendTextToAlert',
     ]
 )
 _ANDROID_NEGATIVE_FILTER['chromedriver_webview_shell'] = (
@@ -877,6 +873,7 @@ class ChromeDriverTest(ChromeDriverBaseTestWithWebServer):
                       self._driver.ExecuteScript('return window.confirmed'))
 
   def testSendTextToAlert(self):
+    self._driver.Load(self.GetHttpUrlForFile('/chromedriver/empty.html'))
     self._driver.ExecuteScript('prompt = window.prompt()')
     self.assertTrue(self._driver.IsAlertOpen())
     self._driver.HandleAlert(True, 'TextToPrompt')