private static void AssertChanged(string origPath, bool isFolder, params string[] tags)
{
origPath = Utils.GetTestFolder(origPath);
// Move the file
var orig = new TaggedFilePath(origPath, isFolder);
var changed = TagUtils.ChangeTagsAndSave(orig, tags);
// Assert that it has been renamed.
Assert.IsFalse(orig.Exists());
Assert.IsTrue(changed.Exists());
// Assert that the new path actually has the new tags
bool matches = changed.Tags.SequenceEqual(tags);
Assert.IsTrue(matches);
}