Resolve "Flaky Frontend tests"

Closes #143 (closed)

functional_tests/test_auto_logout.py

@@ -45,7 +45,7 @@ class TestAutoLogout(LiveServerTestCase):
 
     def test_auto_logout_can_continue(self):
         with self.settings(JWT_AUTH={
-            'JWT_EXPIRATION_DELTA': datetime.timedelta(seconds=5),
+            'JWT_EXPIRATION_DELTA': datetime.timedelta(seconds=15),
             'JWT_ALLOW_REFRESH': True,
         }
         ):
@@ -54,12 +54,11 @@ class TestAutoLogout(LiveServerTestCase):
                 'return sessionStorage["token"]'
             )
             logout_dialog = self.browser.find_element_by_id('logout-dialog')
-            WebDriverWait(self.browser, 5).until(
+            WebDriverWait(self.browser, 15).until(
                 ec.visibility_of_element_located((By.ID, 'logout-dialog')))
             logout_dialog.find_element_by_id('continue-btn').click()
-            # explicit sleep is unfortunately necessary here, since we need to wait
-            # for the initial token to expire and the site to be the same
-            time.sleep(2)
+            WebDriverWait(self.browser, 10).until(
+                ec.invisibility_of_element_located((By.ID, 'logout-dialog')))
             self.assertNotIn('login', self.browser.current_url)
             new_token = self.browser.execute_script(
                 'return sessionStorage["token"]'