diff --git a/tests/functional/portal_announcement_test.php b/tests/functional/portal_announcement_test.php
index 13a0a39b..da178cad 100644
--- a/tests/functional/portal_announcement_test.php
+++ b/tests/functional/portal_announcement_test.php
@@ -15,6 +15,7 @@ class phpbb_functional_portal_announcement_test extends \board3\portal\tests\tes
 	public function setUp()
 	{
 		parent::setUp();
+		$this->purge_cache();
 
 		$this->login();
 		$this->admin_login();
diff --git a/tests/functional/portal_birthday_list_test.php b/tests/functional/portal_birthday_list_test.php
index cb438c89..a117d303 100644
--- a/tests/functional/portal_birthday_list_test.php
+++ b/tests/functional/portal_birthday_list_test.php
@@ -16,6 +16,8 @@ class phpbb_functional_portal_birthday_list_test extends \board3\portal\tests\te
 	{
 		parent::setUp();
 
+		$this->purge_cache();
+
 		$this->login();
 		$this->admin_login();
 	}
diff --git a/tests/functional/portal_no_error_test.php b/tests/functional/portal_no_error_test.php
index 381957f7..37e20c73 100644
--- a/tests/functional/portal_no_error_test.php
+++ b/tests/functional/portal_no_error_test.php
@@ -16,6 +16,8 @@ class phpbb_functional_portal_no_error_test extends \board3\portal\tests\testfra
 	{
 		parent::setUp();
 
+		$this->purge_cache();
+
 		$this->login();
 		$this->admin_login();
 	}