[telemetry] Fix testTextEntry and testEnterText on Chrome OS

telemetry/telemetry/internal/actions/action_runner_unittest.py

Index: telemetry/telemetry/internal/actions/action_runner_unittest.py
diff --git a/telemetry/telemetry/internal/actions/action_runner_unittest.py b/telemetry/telemetry/internal/actions/action_runner_unittest.py
index e5f943d91d497beddc91fc68cc18f6dbcc8ba42d..3b190c8cf8547f2aa4863d625110dc601f572eaf 100644
--- a/telemetry/telemetry/internal/actions/action_runner_unittest.py
+++ b/telemetry/telemetry/internal/actions/action_runner_unittest.py
@@ -255,8 +255,6 @@ class ActionRunnerTest(tab_test_case.TabTestCase):
     self.assertTrue(action_runner.EvaluateJavaScript(
         '(document.scrollingElement || document.body).scrollLeft') > 75)
 
-
-  @decorators.Disabled('chromeos')  # crbug.com/630017.
   def testEnterText(self):
     self.Navigate('blank.html')
     self._tab.ExecuteJavaScript(
@@ -278,6 +276,10 @@ class ActionRunnerTest(tab_test_case.TabTestCase):
     action_runner.PressKey('Backspace', repeat_count=3)  # This is |ing.
     action_runner.EnterText('interest')  # This is interest|ing.
 
+    # Wait for a second to make sure that all keystrokes have been handled by
+    # the browser (crbug.com/630017).
+    action_runner.Wait(1)

[achuithb, 2016/07/21 19:16:05]

Same as before. I don't think it's good form to have a fixed timeout. 

+
     self.assertEqual('This is interesting',
                      self._tab.EvaluateJavaScript(
                          'document.querySelector("textarea").value'))