Update models.py

Add `process_first_name` to test model

Author: joetsoi

tests/testprofiles/models.py

@@ -23,7 +23,12 @@ class TestProfile(models.Model):
         user = models.OneToOneField('auth.User')
         age = models.CharField(max_length=100, blank=True)
 
+        def process_first_name(self, first_name):
+            self.first_name = first_name[0]
 else:
     from django.contrib.auth.models import AbstractUser
     class TestUser(AbstractUser):
         age = models.CharField(max_length=100, blank=True)
+
+        def process_first_name(self, first_name):
+            self.first_name = first_name[0]