fix(hard-perm): fixing the test

sh/tests/hard-perm_test.sh

@@ -6,10 +6,11 @@ IFS='
 '
 script_dirS=$(cd -P "$(dirname "$BASH_SOURCE")" &>/dev/null && pwd)
 
-challenge() {
-    submitted=$(ls -l "$1" && bash "$script_dirS"/student/hard-perm.sh)
-    expected=$(ls -l "$1" && bash "$script_dirS"/solutions/hard-perm.sh)
+chmod 303 hard-perm/*
 
+challenge() {
+    submitted=$(bash "$script_dirS"/student/hard-perm.sh && ls -l "$1")
+    expected=$(bash "$script_dirS"/solutions/hard-perm.sh && ls -l "$1")
     diff <(echo "$submitted") <(echo "$expected")
 }