Fixed #19051 - Fixed Selenium tearDownClass method; thanks glarrain for the report.

django/contrib/admin/tests.py

@@ -21,9 +21,9 @@ class AdminSeleniumWebDriverTestCase(LiveServerTestCase):
 
     @classmethod
     def tearDownClass(cls):
-        super(AdminSeleniumWebDriverTestCase, cls).tearDownClass()
         if hasattr(cls, 'selenium'):
             cls.selenium.quit()
+        super(AdminSeleniumWebDriverTestCase, cls).tearDownClass()
 
     def wait_until(self, callback, timeout=10):
         """
@@ -98,4 +98,4 @@ class AdminSeleniumWebDriverTestCase(LiveServerTestCase):
         `klass`.
         """
         return (self.selenium.find_element_by_css_selector(selector)
-                .get_attribute('class').find(klass) != -1)
\ No newline at end of file
+                .get_attribute('class').find(klass) != -1)

docs/topics/testing.txt

@@ -1973,8 +1973,8 @@ Then, add a ``LiveServerTestCase``-based test to your app's tests module
 
         @classmethod
         def tearDownClass(cls):
-            super(MySeleniumTests, cls).tearDownClass()
             cls.selenium.quit()
+            super(MySeleniumTests, cls).tearDownClass()
 
         def test_login(self):
             self.selenium.get('%s%s' % (self.live_server_url, '/login/'))