public function testCanConstructWithReason()
{
$r = new Response(200, [], null, '1.1', 'bar');
$this->assertSame('bar', $r->getReasonPhrase());
$r = new Response(200, [], null, '1.1', '0');
$this->assertSame('0', $r->getReasonPhrase(), 'Falsey reason works');
}