diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index a30a8a3a..ca5ce765 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -4,10 +4,6 @@
 		<directory>tests</directory>
 	</testsuite>
 
-	<listeners>
-		<listener class="SilverStripe\Dev\TestListener" />
-	</listeners>
-
 	<filter>
 		<whitelist addUncoveredFilesFromWhitelist="true">
 			<directory suffix=".php">.</directory>
diff --git a/tests/controller/ContentControllerSearchExtensionTest.php b/tests/controller/ContentControllerSearchExtensionTest.php
index 9e9bfe2e..feee8c76 100644
--- a/tests/controller/ContentControllerSearchExtensionTest.php
+++ b/tests/controller/ContentControllerSearchExtensionTest.php
@@ -10,6 +10,12 @@ use SilverStripe\Dev\SapphireTest;
 class ContentControllerSearchExtensionTest extends SapphireTest
 {
 
+    protected static $required_extensions = array(
+        ContentController::class => [
+            \SilverStripe\CMS\Search\ContentControllerSearchExtension::class,
+        ],
+    );
+
     public function testCustomSearchFormClassesToTest()
     {
         $page = new Page();
@@ -25,9 +31,9 @@ class ContentControllerSearchExtensionTest extends SapphireTest
         }
     }
 
-    public function setUpOnce()
+    public static function setUpBeforeClass()
     {
-        parent::setUpOnce();
+        parent::setUpBeforeClass();
 
         FulltextSearchable::enable('SilverStripe\\Assets\\File');
     }
@@ -37,9 +43,9 @@ class ContentControllerSearchExtensionTest extends SapphireTest
      * properly at the end of the test. This becomes apparent when a later test tries to
      * ALTER TABLE File and add fulltext indexes with the InnoDB table type.
      */
-    public function tearDownOnce()
+    public static function tearDownAfterClass()
     {
-        parent::tearDownOnce();
+        parent::tearDownAfterClass();
 
         Config::inst()->update('SilverStripe\\Assets\\File', 'create_table_options', array('SilverStripe\ORM\Connect\MySQLDatabase' => 'ENGINE=InnoDB'));
         File::remove_extension('SilverStripe\\ORM\\Search\\FulltextSearchable');
diff --git a/tests/model/SiteTreeBacklinksTest.php b/tests/model/SiteTreeBacklinksTest.php
index 3b830b12..bab73875 100644
--- a/tests/model/SiteTreeBacklinksTest.php
+++ b/tests/model/SiteTreeBacklinksTest.php
@@ -16,7 +16,7 @@ class SiteTreeBacklinksTest extends SapphireTest
 {
     protected static $fixture_file = "SiteTreeBacklinksTest.yml";
 
-    protected $requiredExtensions = array(
+    protected static $required_extensions = array(
         'SilverStripe\\CMS\\Model\\SiteTree' => array('SiteTreeBacklinksTest_DOD'),
     );
 
diff --git a/tests/model/SiteTreePermissionsTest.php b/tests/model/SiteTreePermissionsTest.php
index f5ced9ae..4312f5c8 100644
--- a/tests/model/SiteTreePermissionsTest.php
+++ b/tests/model/SiteTreePermissionsTest.php
@@ -20,7 +20,7 @@ class SiteTreePermissionsTest extends FunctionalTest
 {
     protected static $fixture_file = "SiteTreePermissionsTest.yml";
 
-    protected $illegalExtensions = array(
+    protected static $illegal_extensions = array(
         SiteTree::class => array('SiteTreeSubsites')
     );
 
diff --git a/tests/model/SiteTreeTest.php b/tests/model/SiteTreeTest.php
index 36f3e9f0..ede17e43 100644
--- a/tests/model/SiteTreeTest.php
+++ b/tests/model/SiteTreeTest.php
@@ -37,11 +37,11 @@ class SiteTreeTest extends SapphireTest
 
     protected static $fixture_file = 'SiteTreeTest.yml';
 
-    protected $illegalExtensions = array(
-        SiteTree::class => array('SiteTreeSubsites', 'Translatable')
+    protected static $illegal_extensions = array(
+        SiteTree::class => array('SiteTreeSubsites', 'Translatable'),
     );
 
-    protected $extraDataObjects = array(
+    protected static $extra_dataobjects = array(
         SiteTreeTest_ClassA::class,
         SiteTreeTest_ClassB::class,
         SiteTreeTest_ClassC::class,
diff --git a/tests/model/VirtualPageTest.php b/tests/model/VirtualPageTest.php
index 41679ef2..8b7f84e6 100644
--- a/tests/model/VirtualPageTest.php
+++ b/tests/model/VirtualPageTest.php
@@ -20,7 +20,7 @@ class VirtualPageTest extends FunctionalTest
     protected static $use_draft_site = false;
     protected $autoFollowRedirection = false;
 
-    protected $extraDataObjects = array(
+    protected static $extra_dataobjects = array(
         'VirtualPageTest_ClassA',
         'VirtualPageTest_ClassB',
         'VirtualPageTest_ClassC',
@@ -31,11 +31,11 @@ class VirtualPageTest extends FunctionalTest
         'VirtualPageTest_VirtualPageSub',
     );
 
-    protected $illegalExtensions = array(
-        SiteTree::class => array('SiteTreeSubsites', 'Translatable')
+    protected static $illegal_extensions = array(
+        SiteTree::class => array('SiteTreeSubsites', 'Translatable'),
     );
 
-    protected $requiredExtensions = array(
+    protected static $required_extensions = array(
         SiteTree::class => array('VirtualPageTest_PageExtension')
     );
 
diff --git a/tests/search/SearchFormTest.php b/tests/search/SearchFormTest.php
index 4b775846..fb5c26ae 100644
--- a/tests/search/SearchFormTest.php
+++ b/tests/search/SearchFormTest.php
@@ -29,7 +29,7 @@ class ZZZSearchFormTest extends FunctionalTest
 
     protected static $fixture_file = 'SearchFormTest.yml';
 
-    protected $illegalExtensions = array(
+    protected static $illegal_extensions = array(
         SiteTree::class => array('SiteTreeSubsites', 'Translatable')
     );
 
@@ -46,16 +46,16 @@ class ZZZSearchFormTest extends FunctionalTest
         }
     }
 
-    public function setUpOnce()
+    public static function setUpBeforeClass()
     {
         // HACK Postgres doesn't refresh TSearch indexes when the schema changes after CREATE TABLE
         // MySQL will need a different table type
-        self::kill_temp_db();
+        static::kill_temp_db();
         Config::modify();
         FulltextSearchable::enable();
-        self::create_temp_db();
-        $this->resetDBSchema(true);
-        parent::setUpOnce();
+        static::create_temp_db();
+        static::resetDBSchema(true);
+        parent::setUpBeforeClass();
     }
 
     public function setUp()