Fix EmbeddedAutomationClient suite test

java.lang.ClassCastException: org.nuxeo.ecm.automation.io.services.IOComponent cannot be cast to org.nuxeo.ecm.automation.server.AutomationServerComponent
	at org.nuxeo.ecm.automation.server.test.EmbeddedAutomationClientTest.setupCodecs(EmbeddedAutomationClientTest.java:127)

01:48:27,478 ERROR [ComponentInstanceImpl] Warning: target extension point 'marshallers' of 'org.nuxeo.ecm.automation.server.AutomationServer' is unknown. Check your extension in component service:org.nuxeo.ecm.automation.server.marshallers
01:48:27,478 ERROR [Framework] 
01:48:27,482 ERROR [ComponentManagerImpl] Duplicate component name: service:org.nuxeo.ecm.automation.server.AutomationServer
01:48:27,486 ERROR [ComponentInstanceImpl] Warning: target extension point 'bindings' of 'org.nuxeo.ecm.automation.server.AutomationServer' is unknown. Check your extension in component service:org.nuxeo.ecm.automation.server.bindings
01:48:27,486 ERROR [Framework] 
01:48:27,534 ERROR [ComponentInstanceImpl] Warning: target extension point 'bindings' of 'org.nuxeo.ecm.automation.server.AutomationServer' is unknown. Check your extension in component service:org.nuxeo.ecm.core.automation.featuresContrib
01:48:27,534 ERROR [Framework] 
01:48:27,658 ERROR [ComponentInstanceImpl] Warning: target extension point 'bindings' of 'org.nuxeo.ecm.automation.server.AutomationServer' is unknown. Check your extension in component service:org.nuxeo.ecm.automation.server.test-bindings
01:48:27,658 ERROR [Framework] 
01:48:28,131 WARN  [Ejb3Configuration] Overriding hibernate.transaction.factory_class is dangerous, this might break the EJB3 specification implementation
01:48:29,024 ERROR [OSGiRuntimeService] Nuxeo EP Started
======================================================================
= Component Loading Errors:
  * Duplicate component name: service:org.nuxeo.ecm.automation.server.AutomationServer
======================================================================
= Component Loading Status: Pending: 0 / Unstarted: 0 / Total: 117
======================================================================