}
	return nfinal
}

// tests that persistent goroutine connections shut down when no longer desired.
func TestTransportPersistConnLeak(t *testing.T) {
	run(t, testTransportPersistConnLeak, testNotParallel)
}
func testTransportPersistConnLeak(t *testing.T, mode testMode) {
	if mode == http2Mode {
		t.Skip("flaky in HTTP/2")
	}
	// Not parallel: counts goroutines