added test placeholder

device_server/tests/test_device_server.py

@@ -0,0 +1,24 @@
+import pytest
+from bec_utils.tests.utils import ConnectorMock
+from device_server import DeviceServer
+
+from test_device_manager import load_device_manager
+
+
+def load_DeviceServerMock():
+    connector = ConnectorMock("")
+    device_manager = load_device_manager()
+    return DeviceServerMock(device_manager, connector)
+
+
+class DeviceServerMock(DeviceServer):
+    def __init__(self, device_manager, connector_cls) -> None:
+        super().__init__(bootstrap_server="dummy", connector_cls=ConnectorMock, scibec_url="dummy")
+        self.device_manager = device_manager
+
+    def _start_device_manager(self):
+        pass
+
+
+def test_connect_device():
+    device_server = load_DeviceServerMock()