Used assertRaisesMessage() to test Django's error messages.

2 files changed, 4 insertions, 4 deletions

diff --git a/tests/model_fields/test_decimalfield.py b/tests/model_fields/test_decimalfield.py
index 17bbae7ffa..c8851c5d94 100644
--- a/tests/model_fields/test_decimalfield.py
+++ b/tests/model_fields/test_decimalfield.py
@@ -21,7 +21,8 @@ class DecimalFieldTests(TestCase):
         # Uses default rounding of ROUND_HALF_EVEN.
         self.assertEqual(f.to_python(2.0625), Decimal('2.062'))
         self.assertEqual(f.to_python(2.1875), Decimal('2.188'))
-        with self.assertRaises(ValidationError):
+        msg = "'abc' value must be a decimal number."
+        with self.assertRaisesMessage(ValidationError, msg):
             f.to_python('abc')
 
     def test_default(self):
diff --git a/tests/model_fields/test_floatfield.py b/tests/model_fields/test_floatfield.py
index c1c941b25c..481925cf11 100644
--- a/tests/model_fields/test_floatfield.py
+++ b/tests/model_fields/test_floatfield.py
@@ -21,8 +21,7 @@ class TestFloatField(TestCase):
         instance.size = instance
         msg = (
             'Tried to update field model_fields.FloatModel.size with a model '
-            'instance, %r. Use a value '
-            'compatible with FloatField.'
+            'instance, %r. Use a value compatible with FloatField.'
         ) % instance
         with transaction.atomic():
             with self.assertRaisesMessage(TypeError, msg):
@@ -30,5 +29,5 @@ class TestFloatField(TestCase):
         # Try setting field to object on retrieved object
         obj = FloatModel.objects.get(pk=instance.id)
         obj.size = obj
-        with self.assertRaises(TypeError):
+        with self.assertRaisesMessage(TypeError, msg):
             obj.save()