public static List<RuleLocalData> singletonRuleLocalDataList(final RuleLocalData ruleLocalData) {
        return Lists.newArrayList(ruleLocalData);
    }
generate singleton ruleLocalData List.

@param ruleLocalData ruleLocalData
@return RuleLocalDataList
shenyu-integrated-test/shenyu-integrated-test-common/src/main/java/org/apache/shenyu/integratedtest/common/utils/ConfUtils.java