MAESTRO: add tests endpoint schema

backend/app/schemas/__init__.py

@@ -0,0 +1 @@
+"""API response schemas."""

backend/app/schemas/tests.py

@@ -0,0 +1,7 @@
+from __future__ import annotations
+
+from app.engine.models import Test
+
+
+class TestResponse(Test):
+    pass