for (final String[] call : testClient.addMappingCalls) {
            assertNotNull(call);
        }
        // The loadBulkData=true path triggers getResourcePath + ResourceUtil.isExist checks.
        // In test environment resource files don't exist, so insertBulkData won't be called,
        // but the overall flow should still succeed.
        assertTrue(testClient.calledMethods.contains("addMapping"));

                    final String dataPath =
                            getResourcePath(indexConfigPath, fessConfig.getFesenType(), "/" + configIndex + "/" + configType + ".bulk");
                    if (ResourceUtil.isExist(dataPath)) {
                        insertBulkData(fessConfig, indexName, dataPath, true);
                    }