public void Remove_UseSpecialValueWhenAdded_True()
{
HttpRequestHeaders headers = new HttpRequestHeaders();
headers.TransferEncoding.Add(specialChunked);
Assert.True((bool)headers.TransferEncodingChunked);
Assert.Equal(1, headers.TransferEncoding.Count);
Assert.True(headers.TransferEncoding.Contains(specialChunked));
Assert.True(headers.TransferEncoding.Remove(specialChunked));
Assert.Null(headers.TransferEncodingChunked);
Assert.Equal(0, headers.TransferEncoding.Count);
Assert.False(headers.TransferEncoding.Contains(specialChunked));
}