Update ContributorFactory

You can now just call ContributorFactory() to get a freshly instantiated
Contributor to be used for testing purposes.

scipost/factories.py

@@ -12,6 +12,8 @@ class ContributorFactory(factory.django.DjangoModelFactory):
 
     title = "MR"
     user = factory.SubFactory(UserFactory, contributor=None)
+    status = 1
+    vetted_by = factory.SubFactory(ContributorFactory)
 
 
 class UserFactory(factory.django.DjangoModelFactory):

theses/factories.py

 import factory
 from .models import ThesisLink
+from scipost.factories import UserFactory, ContributorFactory
 
 
 class ThesisLinkFactory(factory.django.DjangoModelFactory):
     class Meta:
         model = ThesisLink
 
-    # requested_by = factory.SubFactory(ContributorFactory)
+    requested_by = factory.SubFactory(ContributorFactory)
     type = ThesisLink.MASTER_THESIS
     title = factory.Sequence(lambda n: "thesis {0}".format(n))
     pub_link = factory.Faker('uri')