updated more docstrings for various controllers; prepped musician tests

server/tests/controllers/test_musician_controller.py

@@ -0,0 +1,17 @@
+from unittest.mock import Mock
+
+import pytest
+from icecream import ic
+
+from app.controllers.musicians import MusicianController
+from app.models.musician import Musician
+
+mock_queries = Mock()
+ec = MusicianController(musician_queries=mock_queries)
+
+
+def test_type():
+    assert isinstance(ec, MusicianController)
+
+
+# TODO: Write tests for MusicianController