diff --git a/tests/test_class_sh_basic.py b/tests/test_class_sh_basic.py
index b3e9709dd24..7be0747c2aa 100644
--- a/tests/test_class_sh_basic.py
+++ b/tests/test_class_sh_basic.py
@@ -66,18 +66,32 @@ def test_load_with_rtrn_f(pass_f, rtrn_f, expected):
 
 
 @pytest.mark.parametrize(
-    ("pass_f", "rtrn_f", "expected"),
+    ("pass_f", "rtrn_f", "regex_expected"),
     [
-        (m.pass_udmp_del, m.rtrn_udmp_del, "pass_udmp_del:rtrn_udmp_del,udmp_deleter_" + "_".join(["MvCtorTo"] * 6)),
-        (m.pass_udcp_del, m.rtrn_udcp_del, "pass_udcp_del:rtrn_udcp_del,udcp_deleter_" + "_".join(["MvCtorTo"] * 8)),
-        (m.pass_udmp_del_nd, m.rtrn_udmp_del_nd,
-            "pass_udmp_del_nd:rtrn_udmp_del_nd,udmp_deleter_nd_" + "_".join(["MvCtorTo"] * 6)),
-        (m.pass_udcp_del_nd, m.rtrn_udcp_del_nd,
-            "pass_udcp_del_nd:rtrn_udcp_del_nd,udcp_deleter_nd_" + "_".join(["MvCtorTo"] * 8)),
+        (
+            m.pass_udmp_del,
+            m.rtrn_udmp_del,
+            "pass_udmp_del:rtrn_udmp_del,udmp_deleter(_MvCtorTo)*_MvCtorTo",
+        ),
+        (
+            m.pass_udcp_del,
+            m.rtrn_udcp_del,
+            "pass_udcp_del:rtrn_udcp_del,udcp_deleter(_MvCtorTo)*_MvCtorTo",
+        ),
+        (
+            m.pass_udmp_del_nd,
+            m.rtrn_udmp_del_nd,
+            "pass_udmp_del_nd:rtrn_udmp_del_nd,udmp_deleter_nd(_MvCtorTo)*_MvCtorTo",
+        ),
+        (
+            m.pass_udcp_del_nd,
+            m.rtrn_udcp_del_nd,
+            "pass_udcp_del_nd:rtrn_udcp_del_nd,udcp_deleter_nd(_MvCtorTo)*_MvCtorTo",
+        ),
     ],
 )
-def test_deleter_roundtrip(pass_f, rtrn_f, expected):
-    assert pass_f(rtrn_f()) == expected
+def test_deleter_roundtrip(pass_f, rtrn_f, regex_expected):
+    assert re.match(regex_expected, pass_f(rtrn_f()))
 
 
 @pytest.mark.parametrize(