Rspec-feature to Develop

[DickensJuma]

Test Tic-tac-toe using Rspec

• Added specs for all public methods you created in Tic Tac Toe project.

• Wrap specs for each method in describe block, hints.

• Define a variable for the test cases, use let.

• Use one block for each expected behavior.

• Test positive and negative scenarios.

• Kept my code clean by linting using rubocop

[mikenath223]

PS:- In future projects kindly avoid closing the previous PR when it hasn't been approved. Simply make changes and submit it again for a re-review.