add some tests and views

generic/models.py

@@ -1523,3 +1523,23 @@ class ExamCollection(models.Model):
 
     date = models.DateField(blank=True,null=True)
 
+    author = models.ManyToManyField(
+        settings.AUTH_USER_MODEL,
+        blank=True,
+        help_text="Author/Manager(s) of the exam collection",
+    )
+
+    def __str__(self):
+        return f"{self.name} [{self.date}]"
+    
+    def get_author_objects(self):
+        """Returns a comma seperated text list of authors"""
+        authors = [i for i in self.author.all()]
+        return authors
+
+    def get_authors(self):
+        """Returns a comma seperated text list of authors"""
+        authors = ", ".join([i.username for i in self.author.all()])
+        if not authors:
+            return "None"
+        return authors