[3.1.x] Fixed #32224 -- Avoided suppressing connection errors in supports_json_field on SQLite.

Regression in 6789ded0a6ab797f0dcdfa6ad5d1cfa46e23abcd.

Thanks Juan Garcia Alvite for the report.
Backport of f5e5aac59ebbcea46b98d37834915de0f43d7cc8 from master

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/backends/sqlite/test_features.py b/tests/backends/sqlite/test_features.py
new file mode 100644
index 0000000000..9b74794408
--- /dev/null
+++ b/tests/backends/sqlite/test_features.py
@@ -0,0 +1,18 @@
+from unittest import mock, skipUnless
+
+from django.db import OperationalError, connection
+from django.test import TestCase
+
+
+@skipUnless(connection.vendor == 'sqlite', 'SQLite tests.')
+class FeaturesTests(TestCase):
+    def test_supports_json_field_operational_error(self):
+        if hasattr(connection.features, 'supports_json_field'):
+            del connection.features.supports_json_field
+        msg = 'unable to open database file'
+        with mock.patch(
+            'django.db.backends.base.base.BaseDatabaseWrapper.cursor',
+            side_effect=OperationalError(msg),
+        ):
+            with self.assertRaisesMessage(OperationalError, msg):
+                connection.features.supports_json_field