public void UpdateExistingOrganisation()
{
var country = context.Countries.Single(c => c.IsoAlpha2Code.Equals("gb"));
var org = new Organisation("SFW Ltd", BusinessType.LimitedCompany);
context.Organisations.Add(org);
context.SaveChanges();
var orgId = org.Id;
org.Update("Only Name Changed", BusinessType.LimitedCompany);
context.SaveChanges();
Assert.Equal(orgId, org.Id);
CleanUp(org);
}