Test connection when 'allow-multiple-users' is 'true' in JBoss EAP

Issue

• A datasource was created with created with <allow-multiple-users>true</allow-multiple-users>

• When testing the pool from the web based admin console or running test-connection-in-pool via JBoss CLI failure occurs:

  # EAP 6
  [standalone@localhost:9999 /] /subsystem=datasources/xa-data-source=OracleXA_DS:test-connection-in-pool()
  {
      "outcome" => "failed",
      "failure-description" => "JBAS010440: failed to invoke operation: JBAS010447: Connection is not valid",
      "rolled-back" => true
  }
  

  # EAP 7
  [standalone@localhost:9990 /] /subsystem=datasources/data-source=ExampleDS:test-connection-in-pool
  {
      "outcome" => "failed",
      "failure-description" => "WFLYJCA0040: failed to invoke operation: WFLYJCA0047: Connection is not valid",
      "rolled-back" => true
  }