ContactEditTests.cs

public class ContactEditTests
{
    ...
    
    public void ShouldSaveChangesToSelectedContact(Contact contactToEdit, Contact anotherContact)
    {
        Save(contactToEdit, anotherContact);
        
        var selectedContactId = contactToEdit.Id;

        Send(new ContactEdit.Command
        {
            Id = selectedContactId,
            Name = "John Smith",
            Email = "jsmith@example.com",
            Phone = "555-123-0000"
        });

        var actual = Query(db => db.Contacts.Find(selectedContactId));

        actual.Id.ShouldEqual(selectedContactId);
        actual.Name.ShouldEqual("John Smith");
        actual.Email.ShouldEqual("jsmith@example.com");
        actual.Phone.ShouldEqual("555-123-0000");
    }
}