chore(tests): cleanup previews in teardown

Signed-off-by: Ferdinand Thiessen <[email protected]>

Author: susnux

tests/lib/Preview/PreviewMapperTest.php

@@ -22,10 +22,16 @@ class PreviewMapperTest extends TestCase {
 	private IDBConnection $connection;
 
 	public function setUp(): void {
+		parent::setUp();
 		$this->previewMapper = Server::get(PreviewMapper::class);
 		$this->connection = Server::get(IDBConnection::class);
 	}
 
+	public function tearDown(): void {
+		$this->previewMapper->deleteAll();
+		parent::tearDown();
+	}
+
 	public function testGetAvailablePreviews(): void {
 		// Empty
 		$this->assertEquals([], $this->previewMapper->getAvailablePreviews([]));

tests/lib/Preview/PreviewServiceTest.php

@@ -24,13 +24,15 @@ class PreviewServiceTest extends TestCase {
 	private PreviewMapper $previewMapper;
 
 	protected function setUp(): void {
+		parent::setUp();
 		$this->previewService = Server::get(PreviewService::class);
 		$this->previewMapper = Server::get(PreviewMapper::class);
 		$this->previewService->deleteAll();
 	}
 
 	public function tearDown(): void {
 		$this->previewService->deleteAll();
+		parent::tearDown();
 	}
 
 	public function testGetAvailableFileIds(): void {