private void start(final Membership<MemberIdentifier> membership)
      throws MemberStartupException {
    membership.start();
    membership.startEventProcessing();
  }
Tests of using the membership APIs to make multiple Membership systems that communicate
with each other and form a group
geode-membership/src/integrationTest/java/org/apache/geode/distributed/internal/membership/gms/MembershipIntegrationTest.java