private void setupRequest() throws IOException {
        String paramMappingRet = initPlugin(PluginEnum.REQUEST.getName(), null);
        assertThat(paramMappingRet, is("success"));
        String selectorAndRulesResult =
                initSelectorAndRules(PluginEnum.REQUEST.getName(), "", buildSelectorConditionList(), buildRuleLocalDataList4Request());
        assertThat(selectorAndRulesResult, is("success"));
    }
The integrated test for combination plugins about request.
shenyu-integrated-test/shenyu-integrated-test-combination/src/test/java/org/apache/shenyu/integrated/test/combination/MultiRequestPluginTest.java