"New" test helper

gistfile1.cs

//What do you thing about usage of "New" class as a test helper

var @event = new ContactCreatedEvent(Guid.NewGuid(), New.ContactDetails());
//                                                   ^^^^^^

public static class New
    {
        public static ContactDetails ContactDetails()
        {
            var contactDetails = new ContactDetails
            {
                BirthdayTimestamp = new DateTime(1986, 1, 1).Ticks,
                Company = "company",
                Department = "department",
                Email = "email",
                JobTitle = "jobTitle",
                PhoneNumber = "phone_number",
                ProfileImageUrl = "img_url",
                Addresses = new List<StreetAddress>() { new StreetAddress() }
            };

            return contactDetails;
        }
    }