ensure in-memory db mock is used

test/conftest.py

@@ -10,6 +10,8 @@ from groove.playlist import Playlist
 from sqlalchemy import create_engine, insert
 from sqlalchemy.orm import sessionmaker
 
+from unittest.mock import MagicMock
+
 
 @pytest.fixture(autouse=True, scope='function')
 def env():
@@ -26,8 +28,11 @@ def auth():
 
 
 @pytest.fixture(scope='function')
-def in_memory_engine():
+def in_memory_engine(monkeypatch):
-    return create_engine('sqlite:///:memory:', future=True)
+    engine = create_engine('sqlite:///:memory:', future=True)
+    monkeypatch.setattr('groove.db.manager.create_engine',
+                        MagicMock(return_value=engine))
+    return engine
 
 
 @pytest.fixture(scope='function')

test/fixtures/themes/default_theme/console.cfg

@@ -0,0 +1,12 @@
+[styles]
+text = #999999       
+bright = #f1f2f6     
+bold = #f1f2f6 bold  
+dim = #555555
+link = #9999FF       
+prompt = #f1f2f6 bold
+artist = #017D93     
+title = #70bc45      
+help = #999999
+background = #001321
+error = #FF8888