Add config flow for Hue (#12830)

* Add config flow for Hue

* Upgrade to aiohue 0.2

* Fix tests

* Add tests

* Add aiohue to test requirements

* Bump aiohue dependency

* Lint

* Lint

* Fix aiohttp mock

* Lint

* Fix tests

tests/test_util/test_aiohttp.py

@@ -0,0 +1,22 @@
+"""Tests for our aiohttp mocker."""
+from .aiohttp import AiohttpClientMocker
+
+import pytest
+
+
+async def test_matching_url():
+    """Test we can match urls."""
+    mocker = AiohttpClientMocker()
+    mocker.get('http://example.com')
+    await mocker.match_request('get', 'http://example.com/')
+
+    mocker.clear_requests()
+
+    with pytest.raises(AssertionError):
+        await mocker.match_request('get', 'http://example.com/')
+
+    mocker.clear_requests()
+
+    mocker.get('http://example.com?a=1')
+    await mocker.match_request('get', 'http://example.com/',
+                               params={'a': 1, 'b': 2})