diff --git a/tests/modeltests/validators/tests.py b/tests/modeltests/validators/tests.py
index d1b94b3497..3e185d1fc6 100644
--- a/tests/modeltests/validators/tests.py
+++ b/tests/modeltests/validators/tests.py
@@ -5,10 +5,9 @@ from datetime import datetime, timedelta
 
 from django.core.exceptions import ValidationError
 from django.core.validators import (
-        validate_integer,
-        validate_email, validate_slug, validate_ipv4_address,
-        MaxValueValidator, MinValueValidator,
-        MaxLengthValidator, MinLengthValidator,
+        validate_integer, validate_email, validate_slug, validate_ipv4_address,
+        validate_comma_separated_integer_list, MaxValueValidator,
+        MinValueValidator, MaxLengthValidator, MinLengthValidator,
         RequiredIfOtherFieldBlank,
     )
 
@@ -59,6 +58,14 @@ SIMPLE_VALIDATORS_VALUES = (
     (validate_ipv4_address, '25,1,1,1', ValidationError),
     (validate_ipv4_address, '25.1 .1.1', ValidationError),
 
+    (validate_comma_separated_integer_list, '1', None),
+    (validate_comma_separated_integer_list, '1,2,3', None),
+    (validate_comma_separated_integer_list, '1,2,3,', None),
+
+    (validate_comma_separated_integer_list, '', ValidationError),
+    (validate_comma_separated_integer_list, 'a,b,c', ValidationError),
+    (validate_comma_separated_integer_list, '1, 2, 3', ValidationError),
+
     (MaxValueValidator(10), 10, None),
     (MaxValueValidator(10), -10, None),
     (MaxValueValidator(10), 0, None),