update test

src/tests/run_unit_tests.sh

@@ -9,10 +9,12 @@ fatal() {
 
 [ -d "./yait" ] && fatal "must be run from parent directory"
 
-$yait --help > /dev/null/ 2>&1 || fatal "failed on --help"
-$yait --version > /dev/null 2>&1 || fatal "failed on --version"
+{
+$yait --help || fatal "failed on --help"
+$yait --version || fatal "failed on --version"
 
 tmpd=$(mktemp -d)
 cd $tmpd
 
 $yait foo || fatal "failed to create `foo` at ${tmpd}"
+} > build/test.log 2>&1