diff --git a/tests/unit/runners/test_uvicorn_runner.py b/tests/unit/runners/test_uvicorn_runner.py
new file mode 100644
index 00000000..1c1f8b3b
--- /dev/null
+++ b/tests/unit/runners/test_uvicorn_runner.py
@@ -0,0 +1,23 @@
+"""Unit tests for runners."""
+
+from unittest.mock import patch
+
+import pytest
+
+from runners.uvicorn import start_uvicorn
+
+
+def test_start_uvicorn() -> None:
+    """Test the function to start Uvicorn server."""
+    # don't start real Uvicorn server
+    with patch("uvicorn.run") as mocked_run:
+        start_uvicorn()
+        mocked_run.assert_called_once_with(
+            "app.main:app",
+            host="localhost",
+            port=8080,
+            workers=1,
+            log_level=20,
+            use_colors=True,
+            access_log=True,
+        )