}
			checkOutput(t, w.String(), tt.expected, tt.unexpected)
		})
	}
}

func checkOutput(t *testing.T, output string, expected, unexpected []string) {
	t.Helper()
	for _, expected := range expected {
		if !strings.Contains(output, expected) {
			t.Errorf("expected %s included in writer output, did not find", expected)
		}
	}
	for _, unexpected := range unexpected {
		if strings.Contains(output, unexpected) {

				t.Error("expected failure, got success")
			}
			if !testcase.expectedErr && err != nil {
				t.Error("expected success, got failure", err)
			}
			if err == nil {
				if len(sctx.Layout.pools) != 2 {
					t.Error("expected parsed pools to be 2, not", len(sctx.Layout.pools))
				}
				if sctx.Layout.pools[0].cmdline != testcase.hash {

		if !ok {
			t.Fatalf("Unexpected error expecting %s", syscall.ENOTEMPTY)
		}
	} else {
		pathErr = &os.PathError{Err: syscall.Errno(0x91)}
		ok = isSysErrNotEmpty(pathErr)
		if !ok {
			t.Fatal("Unexpected error expecting 0x91")
		}
	}
	if runtime.GOOS == globalWindowsOSName {
		pathErr = &os.PathError{Err: syscall.Errno(0x03)}
		ok = isSysErrPathNotFound(pathErr)
		if !ok {
			t.Fatal("Unexpected error expecting 0x03")
		}

	}
	if formatV3.Erasure.This != m.Erasure.Disk {
		t.Fatalf("expected drive uuid: %s, got: %s", m.Erasure.Disk, formatV3.Erasure.This)
	}
	if len(formatV3.Erasure.Sets) != 1 {
		t.Fatalf("expected single set after migrating from v1 to v3, but found %d", len(formatV3.Erasure.Sets))
	}
	if !reflect.DeepEqual(formatV3.Erasure.Sets[0], m.Erasure.JBOD) {
		t.Fatalf("expected drive uuid: %v, got: %v", m.Erasure.JBOD, formatV3.Erasure.Sets[0])
	}

        try {
          call.execute().use { response ->
            System.out.printf("%.2f Call was expected to fail, but completed: %s%n",
                (System.nanoTime() - startNanos) / 1e9f, response)
          }
        } catch (e: IOException) {
          System.out.printf("%.2f Call failed as expected: %s%n",
              (System.nanoTime() - startNanos) / 1e9f, e)
        }
      }
    ```

      Headers.Builder().add("Authorization", "valué1")
    }.also { expected ->
      assertThat(expected.message)
        .isEqualTo("Unexpected char 0xe9 at 4 in Authorization value")
    }
    assertFailsWith<IllegalArgumentException> {
      Headers.Builder().add("Cookie", "valué1")
    }.also { expected ->
      assertThat(expected.message)
        .isEqualTo("Unexpected char 0xe9 at 4 in Cookie value")
    }

  override fun request(): Request = error("unexpected")

  override fun execute(): Response = error("unexpected")

  override fun enqueue(responseCallback: Callback): Unit = error("unexpected")

  override fun cancel(): Unit = error("unexpected")

  override fun isExecuted(): Boolean = error("unexpected")

  override fun isCanceled(): Boolean = error("unexpected")

  override fun timeout(): Timeout = error("unexpected")

		}
	}
	if entries.len() != len(want) {
		t.Fatal("unexpected length:", entries.len(), "want:", len(want))
	}

	want = want[:0]
	entries, err = r.readN(0, false, true, false, "")
	if err != nil {
		t.Fatal(err, entries.len())
	}
	if entries.len() != len(want) {
		t.Fatal("unexpected length:", entries.len(), "want:", len(want))
	}

	// Reload.
	r = loadMetacacheSample(t)

	storage := globalLocalSetDrives[0][0][0]
	if err = storage.MakeVol(context.Background(), "foo"); err != nil {
		t.Fatalf("unexpected error %v", err)
	}

	if err = storage.MakeVol(context.Background(), "bar"); err != nil {
		t.Fatalf("unexpected error %v", err)
	}

	restClient, err := newStorageRESTClient(endpoint, false, tg.Managers[0])
	if err != nil {
		t.Fatal(err)
	}

	for {

	defer close(doneCh)
	if err := ps.Subscribe(MaskAll, ch1, doneCh, nil); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if err := ps.Subscribe(MaskAll, ch2, doneCh, nil); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if err := ps.Subscribe(MaskAll, ch3, doneCh, nil); err == nil {
		t.Fatalf("unexpected nil err")
	}
}

func TestUnsubscribe(t *testing.T) {
	ps := New[Maskable, Maskable](2)