Fix server close tests

tests/modules/test_project.py

@@ -24,6 +24,7 @@ import shutil
 from uuid import uuid4
 from unittest.mock import patch
 
+from tests.utils import asyncio_patch
 from gns3server.modules.project import Project
 from gns3server.modules.vpcs import VPCS, VPCSVM
 
@@ -183,7 +184,7 @@ def test_project_close(loop, manager):
     project = Project()
     vm = VPCSVM("test", "00010203-0405-0607-0809-0a0b0c0d0e0f", project, manager)
     project.add_vm(vm)
-    with patch("gns3server.modules.vpcs.vpcs_vm.VPCSVM.close") as mock:
+    with asyncio_patch("gns3server.modules.vpcs.vpcs_vm.VPCSVM.close") as mock:
         loop.run_until_complete(asyncio.async(project.close()))
         assert mock.called