public void The_http_extension_methods_can_be_composed_to_generate_the_http_message()
{
_formatter.AppendHttpStatusLine(HttpVersion.V1_1, 200, new Utf8String("OK"));
_formatter.Append(new Utf8String("Connection : open"));
_formatter.AppendHttpNewLine();
_formatter.AppendHttpNewLine();
_formatter.Append(HttpBody);
_formatter.AppendHttpNewLine();
_formatter.Append(HttpBody);
var result = _formatter.Buffer;
result.Should().ContainInOrder(_httpMessageInBytes);
ArrayPool <byte> .Shared.Return(result);
}