Index: grimoirelab-sortinghat-1.7.1/tests/runners.py
===================================================================
--- grimoirelab-sortinghat-1.7.1.orig/tests/runners.py
+++ grimoirelab-sortinghat-1.7.1/tests/runners.py
@@ -18,54 +18,22 @@
 
 from django.conf import settings
 from django.test.runner import DiscoverRunner
-from testcontainers.mysql import MySqlContainer
 from unittest.suite import TestSuite
 
 
-class TestContainersRunner(DiscoverRunner):
-    _mysql_container: MySqlContainer = None
-
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
-
-        db_image = getattr(settings, "TEST_DATABASE_IMAGE", "mariadb:latest")
-
-        self._mysql_container = MySqlContainer(image=db_image,
-                                               root_password="root")
-
-    def _setup_container(self):
-        self._mysql_container.start()
-
-        for database in settings.DATABASES:
-            settings.DATABASES[database]["HOST"] = "127.0.0.1"
-            settings.DATABASES[database]["PORT"] = self._mysql_container.get_exposed_port(3306)
-            settings.DATABASES[database]["USER"] = "root"
-            settings.DATABASES[database]["PASSWORD"] = self._mysql_container.root_password
-
-    def _teardown_container(self):
-        self._mysql_container.stop()
-
-    def setup_databases(self, **kwargs):
-        self._setup_container()
-        return super().setup_databases(**kwargs)
-
-    def teardown_databases(self, old_config, **kwargs):
-        super().teardown_databases(old_config, **kwargs)
-        self._teardown_container()
-
 
 def from_tenant_module(test):
     return test.__module__.startswith('tests.tenants')
 
 
-class SkipMultiTenantTestRunner(TestContainersRunner):
+class SkipMultiTenantTestRunner(DiscoverRunner):
     def build_suite(self, test_labels=None, extra_tests=None, **kwargs):
         suite = super().build_suite(test_labels=test_labels, extra_tests=extra_tests, **kwargs)
         tests = [t for t in suite._tests if not from_tenant_module(t)]
         return TestSuite(tests=tests)
 
 
-class OnlyMultiTenantTestRunner(TestContainersRunner):
+class OnlyMultiTenantTestRunner(DiscoverRunner):
     def build_suite(self, test_labels=None, extra_tests=None, **kwargs):
         suite = super().build_suite(test_labels=test_labels, extra_tests=extra_tests, **kwargs)
         tests = [t for t in suite._tests if from_tenant_module(t)]