Description of problem:
Cli output of HTTPSConnectionWithCLITestCase in wildfly-core-eap contains only "-2147483648: " (instead of correct result)

How reproducible:
intermittently: 1%

Steps to Reproduce:

1. mvn install -Dts.manualmode -fae -Dmaven.test.failure.ignore=true -Dnode0=$MYTESTIP_1 -DfailIfNoTests=false -Dtest=HTTPSConnectionWithCLITestCase

Actual results:

• Maven report:

  Running org.wildfly.core.test.standalone.mgmt.HTTPSConnectionWithCLITestCase
  Tests run: 4, Failures: 1, Errors: 1, Skipped: 0, Time elapsed: 54.576 sec <<< FAILURE! - in org.wildfly.core.test.standalone.mgmt.HTTPSConnectionWithCLITestCase
  testTrustedCLICertificate(org.wildfly.core.test.standalone.mgmt.HTTPSConnectionWithCLITestCase)  Time elapsed: 30.066 sec  <<< FAILURE! 
  java.lang.AssertionError: Client with valid certificate should be authenticated.
  Expected: a string containing "\"outcome\" => \"success\"" 
       but: was "-2147483648: "
          at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
          at org.junit.Assert.assertThat(Assert.java:956)
          at org.wildfly.core.test.standalone.mgmt.HTTPSConnectionWithCLITestCase.testTrustedCLICertificate(HTTPSConnectionWithCLITestCase.java:149)
  
  org.wildfly.core.test.standalone.mgmt.HTTPSConnectionWithCLITestCase  Time elapsed: 16.5 sec  <<< ERROR!
  org.jboss.as.cli.CommandLineException: Failed to establish connection in 6063ms
          at org.jboss.as.cli.handlers.ReloadHandler.ensureServerRebootComplete(ReloadHandler.java:235)
          at org.jboss.as.cli.handlers.ReloadHandler.doHandle(ReloadHandler.java:165)
          at org.jboss.as.cli.handlers.CommandHandlerWithHelp.handle(CommandHandlerWithHelp.java:88)
          at org.jboss.as.cli.impl.CommandContextImpl.handle(CommandContextImpl.java:776)
          at org.wildfly.core.test.standalone.mgmt.HTTPSManagementInterfaceTestCase.reloadServer(HTTPSManagementInterfaceTestCase.java:128)
          at org.wildfly.core.test.standalone.mgmt.HTTPSConnectionWithCLITestCase.resetTestConfiguration(HTTPSConnectionWithCLITestCase.java:162)
  
  Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: -1,448,877.175 sec <<< FAILURE! - in org.wildfly.core.test.standalone.mgmt.HTTPSManagementInterfaceTestCase
  org.wildfly.core.test.standalone.mgmt.HTTPSManagementInterfaceTestCase  Time elapsed: -1,448,877.178 sec  <<< ERROR!
  java.lang.RuntimeException: "WFLYCTL0212: Duplicate resource [
      (\"socket-binding-group\" => \"standard-sockets\"),
      (\"socket-binding\" => \"management-native\")
  ]"
          at org.jboss.as.test.integration.security.common.CoreUtils.applyUpdate(CoreUtils.java:185)
          at org.wildfly.core.test.standalone.mgmt.HTTPSManagementInterfaceTestCase.serverSetup(HTTPSManagementInterfaceTestCase.java:269)
          at org.wildfly.core.test.standalone.mgmt.HTTPSManagementInterfaceTestCase.startAndSetupContainer(HTTPSManagementInterfaceTestCase.java:116)
  

• testcase logs are attached

Expected results:
No error