fix test.sh to accept empty 'in:' lines

diff --git a/tests/test.sh b/tests/test.sh
index d231c08..b99910d 100755 (executable)
--- a/tests/test.sh
+++ b/tests/test.sh
@@ -74,6 +74,9 @@ function TEST()
        while read -r line; do
             cmd="${line%%:*}"
             arg="${line#*: }"
+            if test "$arg" = "$cmd:"; then
+                arg=''
+            fi
             expect_return=0
 
             case $cmd in