public void ToString_Should_Return_Event_Formatted_As_String() { Guid companyId = Guid.NewGuid(); string companyName = "company"; string vatNumber = "1234567890"; var ev = new CompanyRegisteredEvent(companyId, companyName, vatNumber); string eventAsString = $"Company {companyName}, VAT {vatNumber} registered"; Assert.Equal(eventAsString, ev.ToString()); }