Client.login メソッドを使ってログインする

from django.test import Client, TestCase

class HogeTestCase(TestCase):
    """                                                                                                                                                                                                                                                                         
    """
    def setUp(self):
        """                                                                                                                                                                                                                                                                     
        """
        self.user = User.objects.create_user('HogeTaro', 'taro@hoge.com', 'password')
        
        self.client = Client()

        self.client.login(username='HogeTaro', password='password')