[Fact]
    public void MoveFile_WithReadOnlyAttribute_ShouldThrowExceptionAndNotMoveFile()
    {
      var sut = new MockFileSystem();
      sut.File.WriteAllText("foo.txt", "xyz");
      sut.File.SetAttributes("foo.txt", FileAttributes.ReadOnly);
      
      var exception = Record.Exception(() =>
      {
        sut.File.Move("foo.txt", "bar.txt");
      });

      exception.Should().BeAssignableTo<UnauthorizedAccessException>();
      sut.File.Exists("foo.txt").Should().BeTrue();
      sut.File.Exists("bar.txt").Should().BeFalse();
    }