diff --git a/tests/model_fields/test_charfield.py b/tests/model_fields/test_charfield.py
index a8ac895a112..0e6109c8609 100644
--- a/tests/model_fields/test_charfield.py
+++ b/tests/model_fields/test_charfield.py
@@ -61,7 +61,8 @@ class ValidationTests(SimpleTestCase):
 
     def test_charfield_raises_error_on_empty_string(self):
         f = models.CharField()
-        with self.assertRaises(ValidationError):
+        msg = 'This field cannot be blank.'
+        with self.assertRaisesMessage(ValidationError, msg):
             f.clean('', None)
 
     def test_charfield_cleans_empty_string_when_blank_true(self):
@@ -74,7 +75,8 @@ class ValidationTests(SimpleTestCase):
 
     def test_charfield_with_choices_raises_error_on_invalid_choice(self):
         f = models.CharField(choices=[('a', 'A'), ('b', 'B')])
-        with self.assertRaises(ValidationError):
+        msg = "Value 'not a' is not a valid choice."
+        with self.assertRaisesMessage(ValidationError, msg):
             f.clean('not a', None)
 
     def test_enum_choices_cleans_valid_string(self):
@@ -83,10 +85,12 @@ class ValidationTests(SimpleTestCase):
 
     def test_enum_choices_invalid_input(self):
         f = models.CharField(choices=self.Choices.choices, max_length=1)
-        with self.assertRaises(ValidationError):
+        msg = "Value 'a' is not a valid choice."
+        with self.assertRaisesMessage(ValidationError, msg):
             f.clean('a', None)
 
     def test_charfield_raises_error_on_empty_input(self):
         f = models.CharField(null=False)
-        with self.assertRaises(ValidationError):
+        msg = 'This field cannot be null.'
+        with self.assertRaisesMessage(ValidationError, msg):
             f.clean(None, None)