Fix a Safari bug with forward and backward page navigation

Author: mdmintz

seleniumbase/fixtures/base_case.py

@@ -420,11 +420,15 @@ def get_title(self):
     def go_back(self):
         self.__last_page_load_url = None
         self.driver.back()
+        if self.browser == "safari":
+            self.driver.refresh()
         self.wait_for_ready_state_complete()
 
     def go_forward(self):
         self.__last_page_load_url = None
         self.driver.forward()
+        if self.browser == "safari":
+            self.driver.refresh()
         self.wait_for_ready_state_complete()
 
     def is_element_present(self, selector, by=By.CSS_SELECTOR):