Update the user agent test

Author: mdmintz

examples/user_agent_test.py

@@ -5,7 +5,7 @@
 class MyTestClass(BaseCase):
 
     def test_user_agent(self):
-        self.open('http://www.whatsmyua.info/')
+        self.open('https://www.whatsmyua.info/')
         user_agent = self.get_text("#custom-ua-string")
         print("\n\nUser-Agent = %s\n" % user_agent)
         print("Displaying User-Agent Info:")