Gwt RF and Junit - did you forget to inherit a required module

Hi There,
Trying to understand how i could use Junit with my gwt rf project ( Using maven )
I'm using this link

After running a gwt test junit, i have the following error.
My first intention could be to add an inherit line somewhere in a .xml file. But what exactly and which one ?
mvtJUnit.gwt.xml or project.xml ?
I tried by adding a requestfactory-server dependency on pom.xml but obviously, i misunderstood sth important.

May i have a help on this ?

[INFO] Running junit.framework.TestSuite@7e3bfb66
[INFO] DEBUG 12/07/2013 16:20:21 [JspRuntimeContext.java.<init>(104)] Le chargeur de classe parent (class loader) est: ContextLoader@null
[INFO] DEBUG 12/07/2013 16:20:21 [JspServlet.java.init(80)] Le répertoire de travail (scratch dir) pour le moteur de JSP est: D:\TEMP\Jetty_0_0_0_0_0_www-test____-7lfhqt\jsp
[INFO] DEBUG 12/07/2013 16:20:21 [JspServlet.java.init(82)] IMPORTANT: Ne pas modifier les servlets générées
[INFO] [ERROR] Errors in 'file:/D:/path/src/test/java/com/test/client/GwtTestmvt.java'
[INFO]    [ERROR] Line 27: No source code is available for type com.test.persistance.dao.IMvtEnteteDAO; did you forget to inherit a required module?
[INFO]    [ERROR] Line 28: No source code is available for type com.test.server.CEMMvt; did you forget to inherit a required module?
[INFO]    [ERROR] Line 59: No source code is available for type com.google.web.bindery.requestfactory.server.ServiceLayer; did you forget to inherit a required module?
[INFO]    [ERROR] Line 60: No source code is available for type com.google.web.bindery.requestfactory.server.SimpleRequestProcessor; did you forget to inherit a required module?
[INFO]    [ERROR] Line 61: No source code is available for type com.google.web.bindery.requestfactory.vm.RequestFactorySource; did you forget to inherit a required module?
[INFO]    [ERROR] Line 62: No source code is available for type com.google.web.bindery.requestfactory.server.testing.InProcessRequestTransport; did you forget to inherit a required module?

Here are the following import i have within the test class.

import org.junit.Before;
import com.google.gwt.junit.client.GWTTestCase;
import com.google.web.bindery.event.shared.SimpleEventBus;
import com.google.web.bindery.requestfactory.server.ServiceLayer;
import com.google.web.bindery.requestfactory.server.SimpleRequestProcessor;
import com.google.web.bindery.requestfactory.server.testing.InProcessRequestTransport;
import com.google.web.bindery.requestfactory.shared.RequestFactory;
import com.google.web.bindery.requestfactory.vm.RequestFactorySource;
import com.test.persistance.dao.IMvtEnteteDAO;
import com.test.server.CEMMvt;

Regards,
pierre

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