private static String getDefaultDiskStoreName(final int hostIndex, final int vmIndex,
      final String methodName) {
    return "DiskStore-" + hostIndex + "-" + vmIndex + "-" + methodName;
  }
{@code postSetUp()} is invoked after {@link #doSetUpDistributedTestCase()}.

<p>
Override this as needed. Default implementation is empty.
geode-dunit/src/main/java/org/apache/geode/test/dunit/internal/JUnit4DistributedTestCase.java