Allow comments in test data files
diff --git a/tests/suites/test_suite_md.data b/tests/suites/test_suite_md.data
index 85be7df..b7d2fbd 100644
--- a/tests/suites/test_suite_md.data
+++ b/tests/suites/test_suite_md.data
@@ -1,3 +1,4 @@
+# Tests of the generic message digest interface
 MD process
 md_process: