@Test
  public void startLocatorAndImportOldClusterConfigZip() throws Exception {
    locator = lsRule.startLocatorVM(0);

    gfsh.connectAndVerify(locator);
    gfsh.executeAndAssertThat("import cluster-configuration --zip-file-name="
        + exportedClusterConfig.getCanonicalPath()).statusIsSuccess();

    server = lsRule.startServerVM(1, locator.getPort());

    server.invoke(ImportClusterConfigDistributedTest::validateServerIsUsingClusterConfig);
  }
Start locator, import previously exported cluster-configuration and then start server.
geode-core/src/distributedTest/java/org/apache/geode/management/internal/configuration/ImportClusterConfigDistributedTest.java