Fixing "wrong-assert-type" pep8 warning.

TNL-3650

openedx/core/djangoapps/credit/tests/test_api.py

@@ -642,7 +642,7 @@ class CreditProviderIntegrationApiTests(CreditApiTestBase):
         # Validate the timestamp
         self.assertIn('timestamp', parameters)
         parsed_date = from_timestamp(parameters['timestamp'])
-        self.assertTrue(parsed_date < datetime.datetime.now(pytz.UTC))
+        self.assertLess(parsed_date, datetime.datetime.now(pytz.UTC))
 
         # Validate course information
         self.assertEqual(parameters['course_org'], self.course_key.org)

openedx/core/djangoapps/user_api/accounts/tests/test_api.py

@@ -80,7 +80,7 @@ class TestAccountApi(UserSettingsEventTestMixin, TestCase):
 
         # With default configuration settings, email is not shared with other (non-staff) users.
         account_settings = get_account_settings(self.default_request, self.different_user.username)
-        self.assertFalse("email" in account_settings)
+        self.assertNotIn("email", account_settings)
 
         account_settings = get_account_settings(
             self.default_request,