diff --git a/.travis.yml b/.travis.yml
index 534fffdaf..4fe8630bc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -37,6 +37,10 @@ matrix:
       env: TOXENV=postgresql
       addons:
         postgresql: "9.5"
+    - python: 3.7
+      env: TOXENV=mariadb
+      addons:
+        mariadb: "10.3"
     - env: TOXENV=flake8
     - python: 3.7
       env: TOXENV=style
diff --git a/tests/models.py b/tests/models.py
index 93f860bb1..ed6dbc1bd 100644
--- a/tests/models.py
+++ b/tests/models.py
@@ -2,9 +2,14 @@
 
 from __future__ import absolute_import, unicode_literals
 
+from django.db import models
 from django.utils import six
 
 
 class NonAsciiRepr(object):
     def __repr__(self):
         return "nôt åscíì" if six.PY3 else "nôt åscíì".encode("utf-8")
+
+
+class Binary(models.Model):
+    field = models.BinaryField()
diff --git a/tests/panels/test_sql.py b/tests/panels/test_sql.py
index 4092cfbc1..81fd94e61 100644
--- a/tests/panels/test_sql.py
+++ b/tests/panels/test_sql.py
@@ -113,23 +113,26 @@ def test_param_conversion(self):
             ('["Foo", true, false]', "[10, 1]", '["2017-12-22 16:07:01"]'),
         )
 
-    @unittest.skipIf(
-        connection.vendor in ("sqlite", "postgresql"),
-        "Mixing bytestrings and text is not allowed on PostgreSQL and SQLite",
-    )
     def test_binary_param_force_text(self):
         self.assertEqual(len(self.panel._queries), 0)
 
         with connection.cursor() as cursor:
-            cursor.execute("SELECT * FROM auth_user WHERE username = %s", [b"\xff"])
+            cursor.execute(
+                "SELECT * FROM tests_binary WHERE field = %s",
+                [connection.Database.Binary(b"\xff")],
+            )
 
         self.panel.process_response(self.request, self.response)
         self.panel.generate_stats(self.request, self.response)
 
         self.assertEqual(len(self.panel._queries), 1)
-        self.assertEqual(
-            self.panel._queries[0][1]["sql"],
-            "SELECT * FROM auth_user WHERE username = '\ufffd'",
+        self.assertTrue(
+            self.panel._queries[0][1]["sql"].startswith(
+                (
+                    "<strong>SELECT</strong> * <strong>FROM</strong>"
+                    " tests_binary <strong>WHERE</strong> field = "
+                )
+            )
         )
 
     @unittest.skipUnless(connection.vendor != "sqlite", "Test invalid for SQLite")
diff --git a/tests/settings.py b/tests/settings.py
index e4d865f03..7bdc3ade8 100644
--- a/tests/settings.py
+++ b/tests/settings.py
@@ -85,15 +85,8 @@
         "default": {"ENGINE": "django.db.backends.postgresql", "NAME": "debug-toolbar"}
     }
 elif os.environ.get("DJANGO_DATABASE_ENGINE") == "mysql":
-    # % mysql
-    # CREATE USER 'debug_toolbar'@'localhost' IDENTIFIED BY '';
-    # GRANT ALL PRIVILEGES ON debug_toolbar.* TO 'test_debug_toolbar'@'localhost';
     DATABASES = {
-        "default": {
-            "ENGINE": "django.db.backends.mysql",
-            "NAME": "debug_toolbar",
-            "USER": "debug_toolbar",
-        }
+        "default": {"ENGINE": "django.db.backends.mysql", "NAME": "debug_toolbar"}
     }
 else:
     DATABASES = {"default": {"ENGINE": "django.db.backends.sqlite3"}}
diff --git a/tox.ini b/tox.ini
index b2c323e7d..d14b7f71a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,6 +5,7 @@ envlist =
     py{35,36,37}-dj21
     py{35,36,37}-djmaster
     postgresql,
+    mariadb,
     flake8,
     style,
     readme
@@ -42,6 +43,22 @@ whitelist_externals = make
 pip_pre = True
 commands = make coverage TEST_ARGS='{posargs:tests}'
 
+[testenv:mariadb]
+deps =
+    Django>=2.1,<2.2
+    coverage
+    django_jinja
+    html5lib
+    mysqlclient
+    selenium<4.0
+    sqlparse
+setenv =
+    PYTHONPATH = {toxinidir}
+    DJANGO_DATABASE_ENGINE = mysql
+whitelist_externals = make
+pip_pre = True
+commands = make coverage TEST_ARGS='{posargs:tests}'
+
 [testenv:flake8]
 basepython = python3
 commands = make flake8