Pull Request: C5_Mohab_Next_problem_to_solve_story_5.5

<h2>Follow these steps for Scenario review :<h2>

<b>Get student with id 1</b>
student1 = Student.find(1)

<b>Get the course with id 1</b>
course1 = Course.find(1)

<b>Add the course to the list courses of student1</b>
student1.courses << course1

<b>Add record in TrackProgression table</b>
t = TrackProgression.new
t.level = 1
t.student_id = 1
t.topic_id = 1
t.save

Now when signed in as 1@student.com with password '123456789', if navigated to /profile a table row containing <b>Problem 1 	Course1 - Topic1 - Track 1</b> should be visible
Different problems can be added the same way. Just make sure that <b>level</b> attribute in <b>TrackProgression</b> table of a certain topic matches the level of any of the tracks inside this topic

@nadineadel @linsara @MussabElDash @Husseny