diff --git a/first_django_app.md b/first_django_app.md
index ac8d309..74d7a0d 100644
--- a/first_django_app.md
+++ b/first_django_app.md
@@ -506,3 +506,26 @@ Fix bug in `polls/models.py`
         return now - datetime.timedelta(days=1) <= self.pub_date <= now
 ```
 
+#### Comprehensive Tests
+
+Write more tests to make sure it's comprehensive
+
+```python
+    def test_was_published_recently_with_old_question(self):
+        """
+        was_published_recently() returns False for questions whose pub_date is older than 1 day.
+        """
+
+        time = timezone.now() - datetime.timedelta(days=1, seconds=1)
+        old_quesion = Question(pub_date=time)
+        self.assertIs(old_quesion.was_published_recently(), False)
+
+    def test_was_published_recently_with_recent_question(self):
+        """
+        was_published_recently() returns True for questions whose pub_date is within the last day.
+        """
+
+        time = timezone.now() - datetime.timedelta(hours=23, minutes=59, seconds=59)
+        recent_question = Question(pub_date=time)
+        self.assertIs(recent_question.was_published_recently(), True)
+```
\ No newline at end of file
diff --git a/src/polls/tests.py b/src/polls/tests.py
index 63ae988..3a221a0 100644
--- a/src/polls/tests.py
+++ b/src/polls/tests.py
@@ -14,4 +14,22 @@ class QuestionModelTests(TestCase):
 
         time = timezone.now() + datetime.timedelta(days=30)
         future_question = Question(pub_date=time)
-        self.assertIs(future_question.was_published_recently(), False)
\ No newline at end of file
+        self.assertIs(future_question.was_published_recently(), False)
+
+    def test_was_published_recently_with_old_question(self):
+        """
+        was_published_recently() returns False for questions whose pub_date is older than 1 day.
+        """
+
+        time = timezone.now() - datetime.timedelta(days=1, seconds=1)
+        old_quesion = Question(pub_date=time)
+        self.assertIs(old_quesion.was_published_recently(), False)
+
+    def test_was_published_recently_with_recent_question(self):
+        """
+        was_published_recently() returns True for questions whose pub_date is within the last day.
+        """
+
+        time = timezone.now() - datetime.timedelta(hours=23, minutes=59, seconds=59)
+        recent_question = Question(pub_date=time)
+        self.assertIs(recent_question.was_published_recently(), True)
\ No newline at end of file