public void WriteAdvanceContactToJsonWorks()
        {
            // Arrange
            string expect = @"
{
  ""name"": ""API Support"",
  ""url"": ""http://www.example.com/support"",
  ""email"": ""*****@*****.**""
}"
                            .Replace();

            // Act & Assert
            Assert.Equal(expect, AdvanceContact.WriteToJson());
        }
 public void WriteBasicContactToJsonWorks()
 {
     // Arrange & Act & Assert
     Assert.Equal("{ }", BasicContact.WriteToJson());
 }