play framework 2.1 junit test not working from eclipse

im following the zentask tutorial and wrote a junit test, the test wont run from the eclipse IDE its giving the following exception

javax.persistence.PersistenceException: java.lang.IllegalStateException: Class [class play.db.ebean.Model] is enhanced and [class models.User] is not - (you can not mix!!)
    at com.avaje.ebeaninternal.server.deploy.BeanDescriptorManager.setEntityBeanClass(BeanDescriptorManager.java:1475)
    at com.avaje.ebeaninternal.server.deploy.BeanDescriptorManager.createByteCode(BeanDescriptorManager.java:1138)
    at com.avaje.ebeaninternal.server.deploy.BeanDescriptorManager.readDeployAssociations(BeanDescriptorManager.java:1058)
    at com.avaje.ebeaninternal.server.deploy.BeanDescriptorManager.readEntityDeploymentAssociations(BeanDescriptorManager.java:565)
    at com.avaje.ebeaninternal.server.deploy.BeanDescriptorManager.deploy(BeanDescriptorManager.java:252)
    at com.avaje.ebeaninternal.server.core.InternalConfiguration.<init>(InternalConfiguration.java:124)
    at com.avaje.ebeaninternal.server.core.DefaultServerFactory.createServer(DefaultServerFactory.java:210)
    at com.avaje.ebeaninternal.server.core.DefaultServerFactory.createServer(DefaultServerFactory.java:64)

I read a bit and found that for some people editing the buils.scala adding the following line inside main helped : ebeanEnabled := true

to me it didnt nither closeing the ide running play clean compile

any ideas???