diff --git a/test_regress/t/t_case_incomplete_enum_warn.out b/test_regress/t/t_case_incomplete_enum_warn.out
new file mode 100644
index 000000000..03e6d6934
--- /dev/null
+++ b/test_regress/t/t_case_incomplete_enum_warn.out
@@ -0,0 +1,3 @@
+%Warning-CASEINCOMPLETE: t/t_case_incomplete_enum_warn.v:17:16: Enum item 'STATE_WRITE' not covered by case
+%Warning-CASEINCOMPLETE: t/t_case_incomplete_enum_warn.v:17:16: Enum item 'STATE_ERROR' not covered by case
+%Error: Exiting due to 2 warning(s)