respErr error

	conn   net.Conn
	reader *bufio.Reader
}

const transport100ContinueTestBody = "request body"

// newTransport100ContinueTest creates a Transport and sends an Expect: 100-continue
// request on it.
func newTransport100ContinueTest(t *testing.T, timeout time.Duration) *transport100ContinueTest {
	ln := newLocalListener(t)
	defer ln.Close()

	test := &transport100ContinueTest{