Get usage message into coverage tests.

diff --git a/tests/Makefile b/tests/Makefile
index 88b18b49f76c095aee231afcac11a5f20f40d76c..da0dc71f7ec4d13c7f890b432f04bde25971c38e 100644 (file)
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -10,6 +10,7 @@ ECHO := /bin/echo
 
 all: regress
        @echo "=== No diff output is good news."
+       @-advent -x 2>/dev/null # Get usage message into coverage tests
 
 .SUFFIXES: .chk