Add text key to alert#sendKeys parameters for W3C Endpoint

Author: AutomatedTester

py/selenium/webdriver/common/alert.py

@@ -99,7 +99,8 @@ def send_keys(self, keysToSend):
 
         """
         if self.driver.w3c:
-            self.driver.execute(Command.W3C_SET_ALERT_VALUE, {'value': keys_to_typing(keysToSend)})
+            self.driver.execute(Command.W3C_SET_ALERT_VALUE, {'value': keys_to_typing(keysToSend),
+                                                              'text': keysToSend})
         else:
             self.driver.execute(Command.SET_ALERT_VALUE, {'text': keysToSend})