public void GetFiles_ShouldReturnEmptyListIfNoMatch()
{
string[] res = null;
_sut.RunWorkerAsync();
bool completed = false;
_sut.RunWorkerCompleted += (sender, args) =>
{
res = _sut.GetFiles("X");
completed = true;
};
while (!completed)
{
Thread.CurrentThread.Join(100);
}
res.Length.Should().Be.EqualTo(0);
}