Test parameter validation for DHM module
diff --git a/tests/suites/test_suite_dhm.data b/tests/suites/test_suite_dhm.data
index 734fd97..edebce0 100644
--- a/tests/suites/test_suite_dhm.data
+++ b/tests/suites/test_suite_dhm.data
@@ -1,3 +1,6 @@
+Diffie-Hellman parameter validation
+dhm_invalid_params:
+
 Diffie-Hellman full exchange #1
 dhm_do_dhm:10:"23":10:"5":0