try to fix test

Author: mpgn

nxc/protocols/ldap.py

@@ -205,6 +205,9 @@ def create_conn_obj(self):
                 except Exception as e:
                     self.logger.debug("Exception:", exc_info=True)
                     self.logger.info(f"Skipping item, cannot process due to error {e}")
+        except ConnectionRefusedError as e:
+            self.logger.debug(f"{e} on host {self.host}")
+            return False
         except OSError as e:
             self.logger.error(f"Error getting ldap info {e}")