private List<RuleLocalData> buildRuleLocalDataList4ParamMapping() {
        final List<RuleLocalData> ruleLocalDataList = new ArrayList<>();

        final ParamMappingRuleHandle addAndRemoveHandle = new ParamMappingRuleHandle();
        // prepare for addParameterKeys
        ParamMappingRuleHandle.ParamMapInfo addInfo = new ParamMappingRuleHandle.ParamMapInfo();
        addInfo.setPath("$");
        addInfo.setKey("userName");
        addInfo.setValue(TEST_USER_NAME);
        addAndRemoveHandle.setAddParameterKeys(Collections.singletonList(addInfo));

        ruleLocalDataList.add(buildRuleLocalData(JsonUtils.toJson(addAndRemoveHandle)));

        return ruleLocalDataList;
    }
The combination test of JWT plugin and Rewrite plugin.
shenyu-integrated-test/shenyu-integrated-test-combination/src/test/java/org/apache/shenyu/integrated/test/combination/MultiRequestPluginTest.java