if err == nil {
		t.Fatal("Expected a non nil error, but nil error returned for invalid profiler.")
	}
}

// checkURL - checks if passed address correspond
func checkURL(urlStr string) (*url.URL, error) {
	if urlStr == "" {
		return nil, errors.New("Address cannot be empty")
	}
	u, err := url.Parse(urlStr)
	if err != nil {
		return nil, fmt.Errorf("`%s` invalid: %s", urlStr, err.Error())
	}
	return u, nil
}

	result, err := setConfigKV(ctx, objectAPI, []byte(kv))
	if err != nil {
		internalLogIf(ctx, fmt.Errorf("error setting subnet license config: %w", err))
		return
	}

	if result.Dynamic {
		if err := applyDynamicConfigForSubSys(GlobalContext, objectAPI, result.Cfg, result.SubSys); err != nil {
			subnetLogIf(ctx, fmt.Errorf("error applying subnet dynamic config: %w", err))
			return
		}

	if err != nil {
		t.Error("unexpected error on ReadRune (2):", err)
	}
	_, err = r.Read(buf)
	if err != nil {
		t.Error("unexpected error on Read (2):", err)
	}
	if r.UnreadRune() == nil {
		t.Error("expected error after Read (2)")
	}
	// Test error after ReadByte.
	_, _, err = r.ReadRune() // reset state
	if err != nil {
		t.Error("unexpected error on ReadRune (2):", err)
	}
	for range buf {

		if err == nil {
			if test.error != "" {
				t.Errorf("#%d: %q: expected error %q; got none", i, test.input, test.error)
			}
			continue
		}
		if !strings.Contains(err.Error(), test.error) {
			t.Errorf("#%d: expected error %q; got %q", i, test.error, err)
			continue
		}
	}
}

func runBadTest(i int, test badExprTest, t *testing.T) (err error) {

			return nil, fmt.Errorf("Byte position ('%s') must not have a sign", offsetBeginString)
		} else if offsetBegin, err = strconv.ParseInt(offsetBeginString, 10, 64); err != nil {
			return nil, fmt.Errorf("'%s' does not have a valid first byte position value", rangeString)
		} else if offsetBegin < 0 {
			return nil, fmt.Errorf("First byte position is negative ('%d')", offsetBegin)
		}
	}

					t.Errorf("error: expected = <nil>, got = %v", err)
				}
			case err == nil:
				t.Errorf("error: expected = %v, got = <nil>", test.expectedErr)
			case test.expectedErr.Error() != err.Error():
				t.Errorf("error: expected = %v, got = %v", test.expectedErr, err)
			}

			if err == nil {
				if (test.expectedEndpoint.URL == nil) != (endpoint.URL == nil) {

	return multiErr.ErrorOrNil()
}

func labelNamespaceWithWaypoint(kubeClient kube.CLIClient, ns string) error {
	nsObj, err := kubeClient.Kube().CoreV1().Namespaces().Get(context.Background(), ns, metav1.GetOptions{})
	if errors.IsNotFound(err) {
		return fmt.Errorf("namespace: %s not found", ns)
	} else if err != nil {
		return fmt.Errorf("failed to get namespace %s: %v", ns, err)
	}
	if nsObj.Labels == nil {

	cmd.Stderr = &stderr
	if err := cmd.Start(); err != nil {
		return nil, fmt.Errorf("idevicedebugserverproxy: %v", err)
	}
	go func() {
		if err := cmd.Wait(); err != nil {
			if _, ok := err.(*exec.ExitError); ok {
				errChan <- fmt.Errorf("idevicedebugserverproxy: %s", stderr.Bytes())
			} else {
				errChan <- fmt.Errorf("idevicedebugserverproxy: %v", err)
			}
		}
		errChan <- nil
	}()

		if err != nil {
			return cfg, fmt.Errorf("%s: Invalid MINIO_COMPRESSION_EXTENSIONS value (`%s`)", err, extensions)
		}
		cfg.Extensions = extensions
	}

	if compressExtensionsLegacy != "" {
		extensions, err := parseCompressIncludes(compressExtensions)
		if err != nil {
			return cfg, fmt.Errorf("%s: Invalid MINIO_COMPRESS_EXTENSIONS value (`%s`)", err, extensions)
		}

			if err != nil {
				gridLogIf(ctx, fmt.Errorf("ws writeMessage: %w", err))
				return
			}
			PutByteBuffer(toSend)
			err = conn.SetWriteDeadline(time.Now().Add(connWriteTimeout))
			if err != nil {
				gridLogIf(ctx, fmt.Errorf("conn.SetWriteDeadline: %w", err))
				return
			}
			_, err = buf.WriteTo(conn)
			if err != nil {
				gridLogIf(ctx, fmt.Errorf("ws write: %w", err))
				return
			}