From c3cf518a804be9bf56883bf2c93c1d0229b18b8b Mon Sep 17 00:00:00 2001
From: Mariusz Felisiak <felisiak.mariusz@gmail.com>
Date: Thu, 12 Oct 2023 20:01:44 +0200
Subject: [PATCH] [5.0.x] Refs #34840 -- Fixed
 test_validate_nullable_textfield_with_isnull_true() on databases that don's
 support table check constraints.

Thanks Tim Graham for the report.
Backport of 9fd3a0ffc8fb8e532b0d5717f99fb15aff175a6c from main
---
 tests/constraints/tests.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/constraints/tests.py b/tests/constraints/tests.py
index e1b95baf60..55df5975de 100644
--- a/tests/constraints/tests.py
+++ b/tests/constraints/tests.py
@@ -995,6 +995,7 @@ class UniqueConstraintTests(TestCase):
             exclude={"name"},
         )
 
+    @skipUnlessDBFeature("supports_table_check_constraints")
     def test_validate_nullable_textfield_with_isnull_true(self):
         is_null_constraint = models.UniqueConstraint(
             "price",