tests: Replace `fgrep` by `grep -f`
@@ -203,7 +203,7 @@ check_set_mv_rm() {
#
is_not_rw_storage() {
- echo $("$KDB" plugin-info "$PLUGIN" provides 2> /dev/null) | fgrep -qw "storage"
+ echo $("$KDB" plugin-info "$PLUGIN" provides 2> /dev/null) | grep -f -qw "storage"
if [ $? != 0 ]; then
return 0
fi
