@include describe('_limit-map-keys') {
  @include it('Returns the map with only limited map keys') {
    @include assert-equal(
      _limit-map-keys(
        (1: one, 2: two, 3: three, 4: four, 5: five, 6: six),
        (1, 5, 6)
      ),
      (1: one, 5: five, 6: six)
    );
  }
}