@function partition-test-fn($n) {
  @return ($n % 2) == 0;
}

@include describe('_partition-list') {
  @include it('Properly partitions the list based on provided fn') {
    @include assert-equal(
      _partition-list(
        (1 2 3 4 5 6),
        partition-test-fn
      ),
      (
        (2 4 6),
        (1 3 5),
      )
    );
  }
}
