Fix tests to comply with pycoalaip's stricter derived_right() sanit…

…y checking

README.md

@@ -263,8 +263,8 @@ part of the new Right's chain of provenance.
 Note that the attributes for the `right` may be much more diverse; see its [COALA
 IP models definition](https://github.com/COALAIP/specs/tree/master/data-structure#rrm-right).
 
-Also see transferring a Right on how to transfer a registered Right to new
-holders.
+Also see [transferring a Right](#transfer-a-right) on how to transfer a
+registered Right to new holders.
 
 ```
 POST /api/v1/rights/

tests/conftest.py

@@ -13,3 +13,29 @@ def app():
 @pytest.fixture
 def user(client):
     return client.post(url_for('user_views.userapi')).json
+
+
+@pytest.fixture
+def created_manifestation_resp(client, user):
+    import json
+    from time import sleep
+    payload = {
+        'manifestation': {
+            'name': 'The Fellowship of the Ring',
+            'datePublished': '29-07-1954',
+            'url': 'http://localhost/lordoftherings.txt',
+        },
+        'copyrightHolder': alice,
+        'work': {
+            'name': 'The Lord of the Rings Triology',
+            'author': 'J. R. R. Tolkien',
+        },
+    }
+
+    resp = client.post(url_for('manifestation_views.manifestationapi'),
+                       data=json.dumps(payload),
+                       headers={'Content-Type': 'application/json'})
+
+    # Sleep for a bit to let the transaction become valid
+    sleep(3)
+    return resp.json

tests/test_api.py

@@ -108,13 +108,16 @@ def test_create_manifestation_missing_argument_in_body(client):
         'Missing required parameter in the JSON body'
 
 
-def test_create_right(client, user):
+def test_create_right(client, user, created_manifestation_resp):
+    copyright_id = created_manifestation_resp['copyright']['@id']
+    copyright_id = copyright_id.split('../rights/')[1]
+
     payload = {
         'currentHolder': user,
         'right': {
             'license': 'http://www.ascribe.io/terms',
         },
-        'sourceRightId': 'mockId',
+        'sourceRightId': copyright_id,
     }
 
     expected = {