Speed up tests

.gitignore

homeassistant/components/conversation.py

homeassistant/config.py

homeassistant/core.py

tests/__init__.py

tests/common.py

tests/components/automation/test_time.py

tests/components/test_api.py

tests/components/test_conversation.py

tests/components/test_device_sun_light_trigger.py

tests/components/test_device_tracker.py

tests/components/test_frontend.py

tests/components/test_init.py

tests/components/test_light.py

tests/components/test_media_player.py

tests/components/test_sun.py

tests/components/test_switch.py

tests/helpers/test_init.py

tests/test_config.py

tests/test_loader.py