Next problem to solve story 5.5

<h2>Follow these steps for Scenario review :<h2>

<b>Sign in as a student with<b>
email	: 1@student.com
pass	: 123456789

<b>Update track progression of the student to match the tracks in the database <b>
t = TrackProgression.find(1)
t.level = 1
t.save

t = TrackProgression.find(2)
t.level = 3
t.save

<b>Navigate to /profile <b>
a table containing next problems to solve in each course should be visible

<b>For further Testing you can create a course with some topics, tracks and problems. Add the course to the list of courses of this student. Do not forget to link the student with the topic in TrackProgression table, and to set the attribute 'level' to the value corresponding to the track you added<b>