change from self to context on functional test

tutorial_7/functional_tests/test_login.py

@@ -11,40 +11,40 @@ SUBJECT = 'Your Login Link for Tutorial 7 PMPL'
 
 class LoginTest(FunctionalTest):
 
-    def test_can_get_email_link_to_log_in(self):
-        selenium_host = self.get_host_from_selenium(self.host)
+    def test_can_get_email_link_to_log_in(context):
+        selenium_host = context.get_host_from_selenium(context.host)
         email_form = selenium_host.find_element_by_name('email')
         email_form.send_keys(TEST_EMAIL)
         email_form.send_keys(Keys.ENTER)
 
         # A message appears telling her an email has been sent
-        self.wait_for(lambda: self.assertIn(
+        context.wait_for(lambda: context.assertIn(
             "Check your email, you'll find a message with a link that will log you into the site.",
             selenium_host.find_element_by_tag_name('body').text
         ))
 
         # She checks her email and finds a message
         email = mail.outbox[0]
-        self.assertIn(TEST_EMAIL, email.to)
-        self.assertEqual(SUBJECT, email.subject)
+        context.assertIn(TEST_EMAIL, email.to)
+        context.assertEqual(SUBJECT, email.subject)
 
         # It has a url link in it
-        self.assertIn('Use this link to log in', email.body)
+        context.assertIn('Use this link to log in', email.body)
         url_search = re.search(r'http://.+/.+$', email.body)
         if not url_search:
-            self.fail(f'Could not find url in email body:\n{email.body}')
+            context.fail(f'Could not find url in email body:\n{email.body}')
         url = url_search.group(0)
-        self.assertIn(self.host, url)
+        context.assertIn(context.host, url)
 
         # she clicks it
-        logged_in_account = self.get_host_from_selenium(url)
+        logged_in_account = context.get_host_from_selenium(url)
 
         # she is logged in!
-        self.wait_for(
+        context.wait_for(
             lambda: logged_in_account.find_element_by_link_text('Log out')
         )
-        self.assertIn(TEST_EMAIL, selenium_host.find_element_by_tag_name('body').text)
+        context.assertIn(TEST_EMAIL, selenium_host.find_element_by_tag_name('body').text)
 
-        self.wait_to_be_logged_in(email=TEST_EMAIL)
-        self.selenium.find_element_by_link_text('Log out').click()
-        self.wait_to_be_logged_out(email=TEST_EMAIL)
+        context.wait_to_be_logged_in(email=TEST_EMAIL)
+        context.selenium.find_element_by_link_text('Log out').click()
+        context.wait_to_be_logged_out(email=TEST_EMAIL)