Update script_test.rb

Author: online-marathon

.github/tests/test/script_test.rb

@@ -12,7 +12,7 @@ def setup
 
   def test_deny_merge_tmp
     actual = @obj.rules_required_pull_request_reviews('tmp')
-    get_all_ruleset_details()
+    @obj.get_all_ruleset_details()
     assert_not_nil(actual, 'We should not allow merge to main branch without PR')
   end