fritz component test relies on missing mocker fixture

[mweinelt]

The problem

The fritz config flow test has the following fixture, that relies upon the mocker fixture, which does not exist. It works when installing pytest-mock, but that package is not in the requirements.

core/tests/components/fritz/test_config_flow.py

Lines 56 to 58 in 6df0190

	@pytest.fixture()
	def fc_class_mock(mocker):
	"""Fixture that sets up a mocked FritzConnection class."""

Where is this fixture supposed to come from?

What is version of Home Assistant Core has the issue?

2021.5.0

What was the last working version of Home Assistant Core?

n/a

What type of installation are you running?

Home Assistant Core

Integration causing the issue

fritz

Link to integration documentation on our website

https://www.home-assistant.io/integrations/fritz

Example YAML snippet

No response

Anything in the logs that might be useful for us?

@pytest.fixture()
  def fc_class_mock(mocker):
E       fixture 'mocker' not found
>       available fixtures: aioclient_mock, aiohttp_client, aiohttp_raw_server, aiohttp_server, aiohttp_unused_port, bcrypt_cost, cache, capfd, capfdbinary, caplog, capsys, capsysbinary, current_request, current_request_with_host, doctest_namespace, enable_custom_integrations, fail_on_log_exception, fast, fc_class_mock, hass, hass_access_token, hass_admin_credential, hass_admin_user, hass_client, hass_owner_user, hass_read_only_access_token, hass_read_only_user, hass_storage, hass_ws_client, legacy_auth, legacy_patchable_time, load_registries, local_auth, loop, loop_debug, mock_device_tracker_conf, mock_zeroconf, monkeypatch, mqtt_client_mock, mqtt_config, mqtt_mock, patch_zeroconf_multiple_catcher, prevent_io, proactor_loop, pytestconfig, raw_test_server, record_property, record_testsuite_property, record_xml_attribute, recwarn, requests_mock, stop_hass, test_client, test_server, testrun_uid, tmp_path, tmp_path_factory, tmpdir, tmpdir_factory, unused_port, verify_cleanup, worker_id
>       use 'pytest --fixtures [testpath]' for help on them.

Additional information

No response

[probot-home-assistant]

fritz documentation
fritz source
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