Fix python pause action implementation

fixes #4795

Author: lmtierney

py/selenium/webdriver/common/action_chains.py

@@ -315,13 +315,12 @@ def move_to_element_with_offset(self, to_element, xoffset, yoffset):
         return self
 
     def pause(self, seconds):
+        """ Pause all inputs for the specified duration in seconds """
         if self._driver.w3c:
-            self.w3c_actions.pointer_action.pause(self, seconds)
-            self.w3c_actions.key_action.pause(self, seconds)
+            self.w3c_actions.pointer_action.pause(seconds)
+            self.w3c_actions.key_action.pause(seconds)
         else:
-            self._actions.append(lambda: self._driver.execute(
-                time.sleep(seconds)
-            ))
+            self._actions.append(lambda: time.sleep(seconds))
         return self
 
     def release(self, on_element=None):

py/test/selenium/webdriver/common/interactions_tests.py

@@ -216,3 +216,22 @@ def testSendingKeysToActiveElementWithModifier(driver, pages):
 
 def test_can_reset_interactions(driver, pages):
     ActionChains(driver).reset_actions()
+
+
+def test_can_pause(driver, pages):
+    from time import time
+    pages.load("javascriptPage.html")
+
+    pause_time = 2
+    toClick = driver.find_element_by_id("clickField")
+    toDoubleClick = driver.find_element_by_id("doubleClickField")
+
+    pause = ActionChains(driver).click(toClick).pause(pause_time).click(toDoubleClick)
+
+    start = time()
+    pause.perform()
+    end = time()
+
+    assert pause_time < end - start
+    assert "Clicked" == toClick.get_attribute('value')
+    assert "Clicked" == toDoubleClick.get_attribute('value')