diff --git a/async_tests/test_async_ldap_model.py b/async_tests/test_async_ldap_model.py
index b794a9d..c033c31 100644
--- a/async_tests/test_async_ldap_model.py
+++ b/async_tests/test_async_ldap_model.py
@@ -56,6 +56,14 @@ MISSING_AUTH_USER = [
         "uid": ["existing_user"],
     }
 ]
+EXISTING_SERVICE = [
+    {
+        "dn": f"uid=existing_service,ou=Services,{BASE_DN}>",
+        "objectClass": ["account", "simpleSecurityObject", "top"],
+        "uid": ["existing_service"],
+        "userPassword": ["{SHA}W6ph5Mm5Pz8GgiULbPgzG37mj9g="],
+    }
+]
 
 
 class MockClient:
@@ -83,8 +91,12 @@ class MockClient:
                 return USER_LIST
             elif f"uid=existing_user,ou=Hackers,{BASE_DN}" in args:
                 return EXISTING_USER
+            elif f"uid=existing_service,ou=Services,{BASE_DN}" in args:
+                return EXISTING_SERVICE
             elif f"uid=not_existing,ou=Hackers,{BASE_DN}" in args:
                 return []
+            elif f"uid=not_existing,ou=Services,{BASE_DN}" in args:
+                return []
             elif f"uid=missing_auth_user,ou=Hackers,{BASE_DN}" in args:
                 return MISSING_AUTH_USER
 
@@ -700,26 +712,23 @@ def test_Service_singleton(client_fixture):
     assert c4 is not c1
 
 
-@pytest.mark.xfail
 @pytest.mark.asyncio
 async def test_Service_create_existing(client_fixture):
-    s = Service("existing_user", client_fixture)
+    s = Service("existing_service", client_fixture)
 
     with pytest.raises(PhiEntryExists) as e:
-        await s.create("existing@mail.org", sn="exists", cn="Existing Service")
+        await s.create("password")
 
     assert s.dn in str(e.value)
 
 
-@pytest.mark.xfail
 @pytest.mark.asyncio
 async def test_Service_create_not_existing(client_fixture):
     s = Service("not_existing", client_fixture)
 
-    await s.create("not@existing.org")
+    await s.create("password")
 
     assert client_fixture.called_with_args["search"]["args"] == (s.dn, 0)
-    assert s._entry["mail"][0] == "not@existing.org"
 
 
 def test_Group(client_fixture):