private void deleteLocatorViewFile(int portNumber) {
    File locatorFile = new File("locator" + portNumber + "view.dat");
    if (locatorFile.exists()) {
      assertThat(locatorFile.delete()).isTrue();
    }
  }
Validates that Locator.startLocatorAndDS does not start a JMX Manager by default. Only the
LocatorLauncher starts one by default.
geode-core/src/integrationTest/java/org/apache/geode/distributed/LocatorIntegrationTest.java