{KeyID: "deadbeef", SealedDataKey: make([]byte, 32), SealedKey: SealedKey{IV: [32]byte{0xf7}, Key: [64]byte{0xea}, Algorithm: SealAlgorithm}},
}

func TestS3CreateMetadata(t *testing.T) {
	defer func(l bool) { logger.DisableLog = l }(logger.DisableLog)
	logger.DisableLog = true
	for i, test := range s3CreateMetadataTests {
		metadata := S3.CreateMetadata(nil, test.KeyID, test.SealedDataKey, test.SealedKey)

	lockPath := filepath.Join(os.TempDir(), "go_android_exec-adb-lock")
	lock, err := os.OpenFile(lockPath, os.O_CREATE|os.O_RDWR, 0666)
	if err != nil {
		return 0, err
	}
	defer lock.Close()
	if err := syscall.Flock(int(lock.Fd()), syscall.LOCK_EX); err != nil {
		return 0, err
	}

	// In case we're booting a device or emulator alongside all.bash, wait for

      }
    } else {
      super.getSelectedProtocol(sslSocket)
    }

  companion object {
    val isSupported: Boolean =
      try {
        // Trigger an early exception over a fatal error, prefer a RuntimeException over Error.
        Class.forName("org.bouncycastle.jsse.provider.BouncyCastleJsseProvider", false, BouncyCastlePlatform::class.java.classLoader)

        true
      } catch (_: ClassNotFoundException) {

func TestCheckPortAvailability(t *testing.T) {
	if runtime.GOOS != "linux" {
		t.Skip()
	}

	l, err := net.Listen("tcp", "localhost:0") // ask kernel for a free port.
	if err != nil {
		t.Fatal(err)
	}
	defer l.Close()

	port := l.Addr().(*net.TCPAddr).Port

	testCases := []struct {
		host        string
		port        int
		expectedErr error
	}{

		{
			val:   0.31,
			label: labels[1],
		},
		{
			val:   0.61,
			label: labels[3],
		},
		{
			val:   0.79,
			label: labels[2],
		},
	}
	ticker := time.NewTicker(1 * time.Millisecond)
	defer ticker.Stop()
	for _, obs := range observations {
		// Send observations once every 1ms, to simulate delay between
		// observations. This is to test the channel based
		// synchronization used internally.
		<-ticker.C

	if !w.opts.Compress {
		return nil
	}

	oldLgFile := w.f.Name()
	r, err := os.Open(oldLgFile)
	if err != nil {
		return err
	}
	defer r.Close()

	gw, err := os.Create(oldLgFile + ".gz")
	if err != nil {
		return err
	}
	defer gw.Close()

	var wc io.WriteCloser = gzip.NewWriter(gw)
	if _, err = io.Copy(wc, r); err != nil {
		return err
	}

	if err = wc.Close(); err != nil {

	if err != nil {
		return nil, &NetworkError{Err: err}
	}
	if length > 0 {
		req.ContentLength = length
	}

	_, expectTimeouts := ctx.Deadline()

	req, update := setupReqStatsUpdate(req)
	defer update()

	resp, err := c.httpClient.Do(req)
	if err != nil {
		if xnet.IsNetworkOrHostDown(err, expectTimeouts) {
			if !c.NoMetrics {
				atomic.AddUint64(&globalStats.errs, 1)
			}

 */
abstract class ForwardingGraph<N> extends AbstractGraph<N> {

  abstract BaseGraph<N> delegate();

  @Override
  public Set<N> nodes() {
    return delegate().nodes();
  }

  /**
   * Defer to {@link AbstractGraph#edges()} (based on {@link #successors(Object)}) for full edges()
   * implementation.
   */
  @Override
  protected long edgeCount() {
    return delegate().edges().size();
  }

  @Override

 * are available from the {@link Interners} class.
 *
 * <p>Note that {@code String.intern()} has some well-known performance limitations, and should
 * generally be avoided. Prefer {@link Interners#newWeakInterner} or another {@code Interner}
 * implementation even for {@code String} interning.
 *
 * @author Kevin Bourrillion
 * @since 3.0
 */
@DoNotMock("Use Interners.new*Interner")

    media_type = "image/png"

@app.get("/image", response_class=PNGStreamingResponse)
def stream_image_no_async_no_annotation():
    with read_image() as image_file:
        yield from image_file
```

prefer this over returning a `StreamingResponse` directly:

```python
# DO NOT DO THIS

import anyio
from fastapi import FastAPI
from fastapi.responses import StreamingResponse
from app.utils import read_image