user after_setup to override self.instance

Author: 1ucian0

tests/unit/test_users.py

@@ -71,11 +71,9 @@ class TestGhostUser(helper.UnitHelper):
     """Test methods on Ghost User class."""
 
     described_class = github3.users.User
+    example_data = get_users_example_data()
 
-    def setUp(self):
-        """Use None to create a ghost user."""
-        self.session = self.create_session_mock()
-        self.old_build_url = None
+    def after_setup(self):
         self.instance = github3.users.User(None, self.session)
 
     def test_str(self):