public void Test_IncludeUniqueArgs()
{
var args = new Dictionary <string, string>()
{
{ "key1", "value" },
{ "key2", "eulav" }
};
var mail = BasicMailBuilder
.IncludeUniqueArgs(args)
.Build();
var message = new SendGridMessage();
message.AddUniqueArgs(args);
Assert.IsFalse(string.IsNullOrEmpty(message.Header.JsonString()));
Assert.AreEqual(message.Header.JsonString(), mail.Header.JsonString());
}
