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"));