dt := newTransportDialTester(t, http1Mode)

	// First request creates a new connection.
	rt1 := dt.roundTrip()
	c1 := dt.wantDial()
	c1.finish(nil)
	rt1.wantDone(c1)
	rt1.finish()

	// Second request reuses the first connection.
	rt2 := dt.roundTrip()
	rt2.wantDone(c1)
	rt2.finish()
}

func TestTransportPoolConnCannotReuseConnectionInUse(t *testing.T) {
	dt := newTransportDialTester(t, http1Mode)