chore: remove CI workflow file and update test files for improved structure and functionality

tests/test_login_form_middleware.py

@@ -1,6 +1,7 @@
 from fastapi.testclient import TestClient
 
 from main import app
+from scripts.init_db import init_db
 
 
 def test_login_form_post_does_not_trigger_json_error():
@@ -8,6 +9,7 @@ def test_login_form_post_does_not_trigger_json_error():
     the JSON "Invalid JSON payload" error which indicates the middleware
     attempted to parse non-JSON bodies.
     """
+    init_db()
     client = TestClient(app)
 
     resp = client.post(