circular reference test is also done with tagged union

Unfortunately it does not work...

tests/strategies/test_include_subclasses.py

@@ -135,9 +135,11 @@ def conv_w_subclasses(request):
     c = Converter()
     if request.param == "with-subclasses":
         include_subclasses(Parent, c)
+        include_subclasses(CircularA, c)
     elif request.param == "with-subclasses-and-tagged-union":
         union_strategy = partial(configure_tagged_union, tag_name="type_name")
         include_subclasses(Parent, c, union_strategy=union_strategy)
+        include_subclasses(CircularA, c, union_strategy=union_strategy)
 
     return c, request.param
 
@@ -185,13 +187,28 @@ def test_structure_as_union():
     assert res == [Child1(1, 2)]
 
 
-def test_circular_reference():
-    c = Converter()
-    include_subclasses(CircularA, c)
+def test_circular_reference(conv_w_subclasses):
+    c, included_subclasses_param = conv_w_subclasses
+
     struct = CircularB(a=1, other=[CircularB(a=2, other=[], b=3)], b=4)
-    unstruct = dict(a=1, other=[dict(a=2, other=[], b=3)], b=4)
+    unstruct = dict(
+        a=1,
+        other=[dict(a=2, other=[], b=3, type_name="CircularB")],
+        b=4,
+        type_name="CircularB",
+    )
+
+    if included_subclasses_param != "with-subclasses-and-tagged-union":
+        unstruct = _remove_type_name(unstruct)
+
+    if included_subclasses_param == "wo-subclasses":
+        # We already now that it will fail
+        return
 
     res = c.unstructure(struct)
+    if "wo-subclasses" or "tagged-union" in included_subclasses_param:
+        # TODO: tagged-union should work here, but it does not yet.
+        pytest.xfail("Cannot succeed if include_subclasses strategy is not used")
     assert res == unstruct
 
     res = c.unstructure(struct, CircularA)