fix issues

Author: xadupre

_unittests/ut_xrun_doc/test_documentation_examples.py

@@ -102,11 +102,18 @@ def add_test_methods(cls):
 
             if (
                 not reason
-                and name in {"plot_export_tiny_phi2.py", "plot_export_with_dynamic_cache.py"}
+                and name in {"plot_export_tiny_phi2.py"}
                 and not has_transformers("4.55")
             ):
                 reason = "transformers<4.55"
 
+            if (
+                not reason
+                and name in {"plot_export_with_dynamic_cache.py"}
+                and not has_transformers("4.56")
+            ):
+                reason = "transformers<4.56"
+
             # pytorch
 
             if (