public void AddHeaderTest_WithExpectedArgs_ReturnSelfWithHeaderAdded()
{
// Arrange
string testToastHeaderId = "Test Header ID";
string testToastTitle = "Test Toast Title";
string testToastArguments = "Test Toast Arguments";
// Act
ToastContentBuilder builder = new ToastContentBuilder();
ToastContentBuilder anotherReference = builder.AddHeader(testToastHeaderId, testToastTitle, testToastArguments);
// Assert
Assert.AreSame(builder, anotherReference);
Assert.AreEqual(testToastHeaderId, builder.Content.Header.Id);
Assert.AreEqual(testToastTitle, builder.Content.Header.Title);
Assert.AreEqual(testToastArguments, builder.Content.Header.Arguments);
}