public void UpdateInUse()
        {
            SvnSandBox sbox           = new SvnSandBox(this);
            Uri        CollabReposUri = sbox.CreateRepository(SandBoxRepository.MergeScenario);

            string dir = sbox.Wc;

            Client.CheckOut(new SvnUriTarget(new Uri(CollabReposUri, "trunk"), 1), dir);

            using (File.OpenRead(Path.Combine(dir, "index.html")))
                using (new Implementation.SvnFsOperationRetryOverride(0))
                {
                    SvnSystemException se = null;
                    try
                    {
                        Client.Update(Path.Combine(dir, "index.html"));
                        Assert.Fail("Should have failed");
                    }
                    catch (SvnWorkingCopyException e)
                    {
                        Assert.That(e.Message, Is.StringContaining("Failed to run the WC DB"));
                        se = e.GetCause <SvnSystemException>();
                    }
                    catch (SvnSystemException e)
                    {
                        se = e;
                    }

                    Assert.That(se, Is.Not.Null, "Have system exception");
                    Assert.That(se.Message, Is.StringContaining("Can't move"));
                }
        }