public void FileBlobTests_LeaseTimeIsUpdatedWhenLeasingAlreadyLeasedFile()
{
var testFile = new FileInfo(Path.Combine(Path.GetTempPath(), Path.GetRandomFileName()));
FileBlob blob = new FileBlob(testFile.FullName);
var data = Encoding.UTF8.GetBytes("Hello, World!");
blob.Write(data);
var leasePeriodMilliseconds = 10000;
blob.Lease(leasePeriodMilliseconds);
var leaseTime = PersistentStorageHelper.GetDateTimeFromLeaseName(blob.FullPath);
Assert.NotNull(blob.Lease(10000));
var newLeaseTime = PersistentStorageHelper.GetDateTimeFromLeaseName(blob.FullPath);
Assert.NotEqual(leaseTime, newLeaseTime);
blob.Delete();
}