diff --git a/tests/base_testcase.php b/tests/base_testcase.php
index 1976ad2..d5cc3af 100644
--- a/tests/base_testcase.php
+++ b/tests/base_testcase.php
@@ -105,5 +105,6 @@ abstract class base_testcase extends \core_phpunit\testcase {
         foreach (outagedb::get_all() as $i => $outage) {
             $DB->delete_records('auth_outage', ['id' => $outage->id]);
         }
+        parent::tearDown();
     }
 }
diff --git a/tests/controllers_infopage_test.php b/tests/controllers_infopage_test.php
index d78e6ce..5ca176c 100644
--- a/tests/controllers_infopage_test.php
+++ b/tests/controllers_infopage_test.php
@@ -25,7 +25,6 @@
 
 use auth_outage\local\outage;
 use auth_outage\local\controllers\infopage;
-use context_system;
 
 defined('MOODLE_INTERNAL') || die();
 require_once(__DIR__.'/base_testcase.php');
diff --git a/tests/controllers_maintenance_static_page_test.php b/tests/controllers_maintenance_static_page_test.php
index 3c142f8..def7166 100644
--- a/tests/controllers_maintenance_static_page_test.php
+++ b/tests/controllers_maintenance_static_page_test.php
@@ -27,7 +27,6 @@ use auth_outage\task\update_static_page;
 use auth_outage\local\controllers\maintenance_static_page;
 use auth_outage\local\controllers\maintenance_static_page_io;
 use auth_outage\local\controllers\maintenance_static_page_generator;
-use DOMDocument;
 
 defined('MOODLE_INTERNAL') || die();
 require_once(__DIR__.'/base_testcase.php');
diff --git a/tests/fixtures/withurls-quoted.css b/tests/fixtures/withurls-quoted.css
index abfd76d..d5c287c 100644
--- a/tests/fixtures/withurls-quoted.css
+++ b/tests/fixtures/withurls-quoted.css
@@ -3,5 +3,5 @@ a {
 }
 
 div {
-    background-image: url('/moodle/auth/outage/tests/local/controllers/fixtures/catalyst.png');
+    background-image: url('/moodle/auth/outage/tests/fixtures/catalyst.png');
 }
diff --git a/tests/fixtures/withurls.css b/tests/fixtures/withurls.css
index 9b6ef0f..3b08b90 100644
--- a/tests/fixtures/withurls.css
+++ b/tests/fixtures/withurls.css
@@ -3,5 +3,5 @@ a {
 }
 
 div {
-    background-image: url(/moodle/auth/outage/tests/local/controllers/fixtures/catalyst.png);
+    background-image: url(/moodle/auth/outage/tests/fixtures/catalyst.png);
 }
diff --git a/tests/outagelib_test.php b/tests/outagelib_test.php
index e41efa0..827a736 100644
--- a/tests/outagelib_test.php
+++ b/tests/outagelib_test.php
@@ -747,7 +747,7 @@ EOT;
      *
      * We need this because we modify the request headers,
      * see https://github.com/sebastianbergmann/phpunit/issues/720#issuecomment-10421092
-     * @runInSeparateProcess
+     * @runClassInSeparateProcess
      */
     public function test_evaluation_maintenancepage(?string $allowedips, ?string $iptouse, ?string $accesskey,
         ?string $accesskeytouse, array $expectedoutputs) {