public void AddGroup()
{
Guid groupId = Guid.NewGuid();
const string groupName = "users";
const string groupDescription = "some group";
sut.AddGroup(groupId, groupName, groupDescription, externalGroupName);
sut.SaveChanges();
using (DbContext readContext = new DbContext())
{
Group group = readContext.Groups.Single();
Assert.AreEqual(groupId, group.Id);
Assert.AreEqual(groupName, group.Name);
Assert.AreEqual(groupDescription, group.Description);
Assert.AreEqual(externalGroupName, group.ExternalGroupName);
}
}