private void setUpClientAuthorizationTestBase() throws Exception {
    Host host = getHost(0);
    server1 = host.getVM(VersionManager.CURRENT_VERSION, 0);
    server2 = host.getVM(VersionManager.CURRENT_VERSION, 1);
    server1.invoke(() -> ServerConnection.allowInternalMessagesWithoutCredentials = false);
    server2.invoke(() -> ServerConnection.allowInternalMessagesWithoutCredentials = false);
    client1 = host.getVM(clientVmConfiguration, 2);
    client2 = host.getVM(clientVmConfiguration, 3);
    setUpIgnoredExceptions();
  }
Base class for tests for authorization from client to server. It contains utility functions for
the authorization tests from client to server.

@since GemFire 5.5

@deprecated Please use {@link DistributedRule} and Geode User APIs or {@link ClusterStartupRule}
            instead.
geode-dunit/src/main/java/org/apache/geode/security/ClientAuthorizationTestCase.java