Python3 - mocking AWS services for unittest-ing using moto

mock.py

from moto import mock_<service>
import boto3
import unittest

class TestFooBar(unittest.TestCase):
    def __init__(self, *args, **kwargs):
        super(TestFooBar, self).__init__(*args, **kwargs)
        self.client = boto3.client("<service>")
        self.mock = mock_<service>()
    
    def setUp(self):
        self.mock.start(reset=True)
        # ...
    
    def tearDown(self):
        self.mock.stop()
        # ...