use '==' instead of 'is' operator in test assertions

Author: gronke

tests/test_Jail.py

@@ -96,12 +96,12 @@ def cleanup() -> None:
             data = read_jail_config_json(f"{dataset.mountpoint}/config.json")
 
             try:
-                assert data["basejail"] is "no"
+                assert data["basejail"] == "no"
             except KeyError:
                 pass
 
             try:
-                assert (data["basejail"] is "") or (data["basejail"] == "none")
+                assert (data["basejail"] == "") or (data["basejail"] == "none")
             except KeyError:
                 pass