student-test: Correr el t-test usando la db de prueba para todos los est

git-svn-id: https://tpsh.dc.uba.ar/svn/cpfusaro-bdtp2@63 3a36324f-a680-47ab-a1ff-96278a0c223d
student-test: Fix silly bug

git-svn-id: https://tpsh.dc.uba.ar/svn/cpfusaro-bdtp2@64 3a36324f-a680-47ab-a1ff-96278a0c223d
student-test: Agregar comentario

git-svn-id: https://tpsh.dc.uba.ar/svn/cpfusaro-bdtp2@65 3a36324f-a680-47ab-a1ff-96278a0c223d