Repetitive way to test different inputs for a function that determines whether a cell in Conway's Game of Life should become alive or stay dead given the number of live neighbours.

conway_liveneighbour_test_repeating.scala

describe ("alive cells") {
  val cell = Cell(Alive)
  it ("should become Dead when there are 0 live neighbours") {
    cell.next(0) should be (Cell(Dead))
  }
  it ("should become Dead when there are 1 live neighbours") {
    cell.next(1) should be (Cell(Dead))
  }
  it ("should become Alive when there are 2 live neighbours") {
    cell.next(2) should be (Cell(Alive))
  }
  it ("should become Alive when there are 3 live neighbours") {
    cell.next(3) should be (Cell(Alive))
  }
  // ...
}