add test for favourites

tests/cassettes/test_favourites.yaml

@@ -0,0 +1,27 @@
+interactions:
+- request:
+    body: null
+    headers:
+      Accept: ['*/*']
+      Accept-Encoding: ['gzip, deflate']
+      Authorization: [Bearer __MASTODON_PY_TEST_ACCESS_TOKEN]
+      Connection: [keep-alive]
+      User-Agent: [python-requests/2.18.4]
+    method: GET
+    uri: http://localhost:3000/api/v1/favourites
+  response:
+    body: {string: '[]'}
+    headers:
+      Cache-Control: ['max-age=0, private, must-revalidate']
+      Content-Type: [application/json; charset=utf-8]
+      ETag: [W/"81bd415584c93a9b65e719202c32c8f6"]
+      Transfer-Encoding: [chunked]
+      Vary: ['Accept-Encoding, Origin']
+      X-Content-Type-Options: [nosniff]
+      X-Frame-Options: [SAMEORIGIN]
+      X-Request-Id: [0cc085dc-b2c7-4524-9dbf-4b9449f4aa79]
+      X-Runtime: ['0.029419']
+      X-XSS-Protection: [1; mode=block]
+      content-length: ['2']
+    status: {code: 200, message: OK}
+version: 1

tests/test_status.py

@@ -81,6 +81,11 @@ def test_status_fav_unfav(status, api):
     status = api.status_unfavourite(status['id'])
     assert not status['favourited']
 
+@pytest.mark.vcr()
+def test_favourites(api):
+    favs = api.favourites()
+    assert isinstance(favs, list)
+
 
 @pytest.mark.vcr()
 def test_status_mute_unmute(status, api):