Add failing tests for when a game is initialized
Make all tests for game initialize pass
Add test to check if all cells in Playfield are Cell objects

Also, refactored the tests to DRY up the code
Forgot to add rspec should syntax
Move Playfield specific tests into Playfield spec
Add test to make sure cells are initialized with correct index
Fix verbiage in tests
Write failing test to see if cells in Playfield initialized to empty
Make checking if all cells are empty on PF initialization tests pass
Update specs and fix code to meet new spec
Write failing test for random piece functionality
Make random piece functionality test pass
Create and use a spec helper
Update logic to keep track of row and columns for each cell
Write failing tests for when Square is initialized
Make initialize tests for Square pass
Forgot to use should syntax
Forgot to test column coordinates when Square created
Write failing test for update cells of Square functionality
Make update cells of a Square tests pass