Example of using mixins to make python tests more flexible. Particular interest in order of execution of setUp and setUpClass

test.py

import unittest
from unittest import TestCase
"""
Showcase how to use mixins and multiple inheritance to write tests
"""
class BaseTest(TestCase):
	"""
	A base class to be inheritated by actuall test classes.
	"""
	def setUp(self):  # 3
		print("BaseTest:setUp called") 
		self.boo = "gladen sum"

	@classmethod
	def setUpClass(cls):  # 1
		print("BaseTest::setUpClass called")
		cls.browser = 'musaka'

class FullDBMixin(object):

	def setUp(self):  # 5
		super(FullDBMixin, self).setUp()
		print("FullDBMixin::setUp called with instance attribute [boo] = %s" % self.boo)

 
class LoginMixin(object):

	@classmethod
	def setUpClass(cls):  # 2
		super(LoginMixin, cls).setUpClass()
		print("LoginMixin::setUpClass called")

	def setUp(self):  # 4
		super(LoginMixin, self).setUp()
		print("LoginMixin::setUp called")

		self.login()
	
	def login(self): 
		print("LoginMixin::login called with class attribute [browser] %s" % self.browser)


# order of inheritance **matters**
class TestAuthontecation(LoginMixin, FullDBMixin , BaseTest):

	def test_user_dashboard(self):
		# test stuff without needing to setup the db or login the user		
		pass

if __name__ == '__main__':
    unittest.main()

# georgi@georgi-laptop:~$ python test.py 
# BaseTest::setUpClass called
# LoginMixin::setUpClass called
# BaseTest:setUp called
# FullDBMixin::setUp called with instance attribute [boo] = gladen sum
# LoginMixin::setUp called
# LoginMixin::login called with class attribute [browser] musaka
# .
# ----------------------------------------------------------------------
# Ran 1 test in 0.000s

# OK

Can you elaborate on the order as in line 43?