diff --git a/tests/gis_tests/geoapp/test_functions.py b/tests/gis_tests/geoapp/test_functions.py
index aa356e30a2..a386896d24 100644
--- a/tests/gis_tests/geoapp/test_functions.py
+++ b/tests/gis_tests/geoapp/test_functions.py
@@ -12,7 +12,7 @@ from django.db import NotSupportedError, connection
 from django.db.models import Sum
 from django.test import TestCase, skipUnlessDBFeature
 
-from ..utils import FuncTestMixin, mysql, oracle, postgis, spatialite
+from ..utils import FuncTestMixin, mariadb, mysql, oracle, postgis, spatialite
 from .models import City, Country, CountryWebMercator, State, Track
 
 
@@ -85,7 +85,7 @@ class GISFunctionsTests(FuncTestMixin, TestCase):
         # WHERE "geoapp_city"."name" = 'Chicago';
         # Finally, we set every available keyword.
         # MariaDB doesn't limit the number of decimals in bbox.
-        if mysql and connection.mysql_is_mariadb:
+        if mariadb:
             chicago_json['bbox'] = [-87.650175, 41.850385, -87.650175, 41.850385]
         self.assertJSONEqual(
             City.objects.annotate(
diff --git a/tests/gis_tests/geoapp/tests.py b/tests/gis_tests/geoapp/tests.py
index 47d16434a5..c97bce5f32 100644
--- a/tests/gis_tests/geoapp/tests.py
+++ b/tests/gis_tests/geoapp/tests.py
@@ -13,7 +13,8 @@ from django.db import NotSupportedError, connection
 from django.test import TestCase, skipUnlessDBFeature
 
 from ..utils import (
-    mysql, no_oracle, oracle, postgis, skipUnlessGISLookup, spatialite,
+    mariadb, mysql, no_oracle, oracle, postgis, skipUnlessGISLookup,
+    spatialite,
 )
 from .models import (
     City, Country, Feature, MinusOneSRID, NonConcreteModel, PennsylvaniaCity,
@@ -227,8 +228,7 @@ class GeoLookupTest(TestCase):
 
     def test_disjoint_lookup(self):
         "Testing the `disjoint` lookup type."
-        if (connection.vendor == 'mysql' and not connection.mysql_is_mariadb and
-                connection.mysql_version < (8, 0, 0)):
+        if mysql and not mariadb and connection.mysql_version < (8, 0, 0):
             raise unittest.SkipTest('MySQL < 8 gives different results.')
         ptown = City.objects.get(name='Pueblo')
         qs1 = City.objects.filter(point__disjoint=ptown.point)
diff --git a/tests/gis_tests/inspectapp/tests.py b/tests/gis_tests/inspectapp/tests.py
index 35fedf8eb6..5fac4d9884 100644
--- a/tests/gis_tests/inspectapp/tests.py
+++ b/tests/gis_tests/inspectapp/tests.py
@@ -10,7 +10,7 @@ from django.test import SimpleTestCase, TestCase, skipUnlessDBFeature
 from django.test.utils import modify_settings
 
 from ..test_data import TEST_DATA
-from ..utils import postgis
+from ..utils import mariadb, postgis
 from .models import AllOGRFields
 
 
@@ -141,7 +141,7 @@ class OGRInspectTest(SimpleTestCase):
         else:
             self.assertIn('    f_decimal = models.DecimalField(max_digits=0, decimal_places=0)', model_def)
         self.assertIn('    f_int = models.IntegerField()', model_def)
-        if connection.vendor != 'mysql' or not connection.mysql_is_mariadb:
+        if not mariadb:
             # Probably a bug between GDAL and MariaDB on time fields.
             self.assertIn('    f_datetime = models.DateTimeField()', model_def)
             self.assertIn('    f_time = models.TimeField()', model_def)
diff --git a/tests/gis_tests/utils.py b/tests/gis_tests/utils.py
index b30da7e40d..23a99eb66c 100644
--- a/tests/gis_tests/utils.py
+++ b/tests/gis_tests/utils.py
@@ -46,6 +46,7 @@ _default_db = settings.DATABASES[DEFAULT_DB_ALIAS]['ENGINE'].rsplit('.')[-1]
 oracle = _default_db == 'oracle'
 postgis = _default_db == 'postgis'
 mysql = _default_db == 'mysql'
+mariadb = mysql and connection.mysql_is_mariadb
 spatialite = _default_db == 'spatialite'
 
 # MySQL spatial indices can't handle NULL geometries.