Fix StaleElementException when waiting for loading of Subscriptions

functional_tests/test_feedback_creation.py

@@ -54,8 +54,8 @@ class UntestedParent:
 
         # stage can be 'initial', 'validate', or 'conflict'
         def _go_to_subscription(self, stage='initial', sub_type=None):
+            WebDriverWait(self.browser, 10).until(subscriptions_loaded_cond(self.browser))
             tasks = self.browser.find_element_by_name('subscription-list')
-            WebDriverWait(self.browser, 10).until(subscriptions_loaded_cond(tasks))
             tab = tasks.find_element_by_xpath(f'//*[contains(text(), "{stage}")]')
             tab.click()
             sub_type = sub_type if sub_type is not None else self.sub_type