Added SubmissionForm #72
Added basic test for submissionform #72
Fixing imports. (#72)
Removed contact_email from factory.(It was removed from the model earlier) #72
Added test to check if assignment exist #72
Removed useless test #72
Added test to check if the student is enrolled at the course of the assignment #72
Check if first test is working #72
Set assertRaises at the proper use #72
Set assertRaises to proper use #72
Added test to check if student exists #72
Added clean method #72
Fixed the use of form validation #72
Changed clean method to properly catch the case when the assignment does not exist #72
Fixed the test to properly assert the existence of the assignment #72
Changed variable name #72
Excluded uploaded_at from the form #72
Fixed test to properly check if the student is enrolled at the subject of the assignment #72
Added clean method to catch cases when the student isn't enrolled at the subject of the assignment. Deleted useless validation for assignment #72
Changed from deprecated has_key to in statement #72