Move components to folders (#20774)

* Move all components into folders

* Move component tests into folders

* Fix init moving

* Move tests

* Lint

* Update coverage

* Fix service descriptions

* Update CODEOWNERS

tests/components/vultr/test_init.py

@@ -0,0 +1,48 @@
+"""The tests for the Vultr component."""
+from copy import deepcopy
+import json
+import unittest
+from unittest.mock import patch
+
+import requests_mock
+
+from homeassistant import setup
+import homeassistant.components.vultr as vultr
+
+from tests.common import (
+    get_test_home_assistant, load_fixture)
+
+VALID_CONFIG = {
+    'vultr': {
+        'api_key': 'ABCDEFG1234567'
+    }
+}
+
+
+class TestVultr(unittest.TestCase):
+    """Tests the Vultr component."""
+
+    def setUp(self):
+        """Initialize values for this test case class."""
+        self.hass = get_test_home_assistant()
+        self.config = VALID_CONFIG
+
+    def tearDown(self):  # pylint: disable=invalid-name
+        """Stop everything that we started."""
+        self.hass.stop()
+
+    @requests_mock.Mocker()
+    def test_setup(self, mock):
+        """Test successful setup."""
+        with patch(
+            'vultr.Vultr.server_list',
+            return_value=json.loads(
+                load_fixture('vultr_server_list.json'))):
+            response = vultr.setup(self.hass, self.config)
+        assert response
+
+    def test_setup_no_api_key(self):
+        """Test failed setup with missing API Key."""
+        conf = deepcopy(self.config)
+        del conf['vultr']['api_key']
+        assert not setup.setup_component(self.hass, vultr.DOMAIN, conf)