@Parameters(name = "Client {0}")
  public static Collection<VmConfiguration> data() {
    List<VmConfiguration> vmConfigurations = VmConfigurations.all();
    assertThat(vmConfigurations)
        .as("client configurations")
        .isNotEmpty();
    System.out.println("using client configurations: " + vmConfigurations);
    return vmConfigurations;
  }
Test for authentication from client to server. This tests for both valid and invalid
credentials/modules. It also checks for authentication success/failure in case of failover and
for the notification channel.

@since GemFire 5.5
geode-core/src/upgradeTest/java/org/apache/geode/security/ClientAuthenticationDUnitTest.java