tests BUGFIX ignore yanglint warnings

Fixes #1936
diff --git a/tools/lint/tests/expect/feature.exp b/tools/lint/tests/expect/feature.exp
index d4073d3..37680b0 100755
--- a/tools/lint/tests/expect/feature.exp
+++ b/tools/lint/tests/expect/feature.exp
@@ -10,7 +10,8 @@
 
 spawn $yanglint
 
-expect_output "> "
+# skip no dir and/or no history warnings
+expect_output "(YANGLINT.*)*> "
 
 expect_command "feature -a" 1 "yang:\r\n\t\\(none\\)\r\n\r\nietf-yang-schema-mount:\r\n\t\\(none\\)\r\n\r\n> "