public void testConnectionEntity()
{
//arrange
var workUnit = new WorkUnit(new DomainContext());
var profile = workUnit.ProfileRepository.GetEntityByID(1);
var connProf = workUnit.ProfileRepository.GetEntityByID(1);
profile.Connections.Add(connProf);
workUnit.saveChanges();
//assert
Assert.AreNotEqual(profile.Connections.Count(), 0);
}