Add testing framework and file organization.
Add testing framework and file organization.

beeva-antonioiglesias/beeva-best-practices,beeva-idgm81/beeva-best-practices,beeva-juanmanuelperez/beeva-best-practices,beeva-juanmanuelperez/beeva-best-practices,beeva-antonioiglesias/beeva-best-practices,beeva-enriqueotero/beeva-best-practices