public void Should_Return_New_Collection_When_Removing_Paths()
{
// Given
var collection = new FilePathCollection(new FilePath[] { "A.txt", "B.txt", "C.txt" }, new PathComparer(false));
// When
var result = collection - new FilePath[] { "B.txt", "C.txt" };
// Then
collection.ShouldNotBeSameAs(result);
}