Added - create grid board and living cells
Added - game grid must be equal - test fail
Added - game grid must be equal - test pass
Added - count cell neighbours - test fail
Added - count cell neighbours - test pass
Added - count vertical cell neighbours - test fail
Added - not count itself in cell neighbours - test fail
Added - count vertical cell neighbours - test pass
Added - count horizontal cell neighbours - test fail
Added - count horizontal cell neighbours - test pass
Added - living cell without or with one neighbour must die - test fail
Added - living cell without or with one neighbour must die - test pass
Added - living cell with two or three neighbours must live - test fail for two and three neighbours
Added - living cell with two or three neighbours must live - test fail for three neighbours
Added - living cell with two or three neighbours must live - test pass
Added - living cell with more than three neighbours must die - test fail
Added - living cell with more than three neighbours must die - test pass
Added - dead cell with exactly three living neighbours must become a living cell - test fail
Added - dead cell with exactly three living neighbours must become a living cell - test fail and old tests fails
Added - dead cell with exactly three living neighbours must become a living cell - test pass