Remove filter and block type during teardown

tests/phpunit/tests/rest-api/wpRestTemplatesController.php

@@ -49,6 +49,22 @@ public static function wpTearDownAfterClass() {
 		wp_delete_post( self::$post->ID );
 	}
 
+	/**
+	 * Tear down after each test.
+	 *
+	 * @since 6.5.0
+	 */
+	public function tear_down() {
+		if ( has_filter( 'rest_pre_insert_wp_template_part', 'inject_ignored_hooked_blocks_metadata_attributes' ) ) {
+			remove_filter( 'rest_pre_insert_wp_template_part', 'inject_ignored_hooked_blocks_metadata_attributes', 10 );
+		}
+		if ( WP_Block_Type_Registry::get_instance()->is_registered( 'tests/block' ) ) {
+			unregister_block_type( 'tests/hooked-block' );
+		}
+
+		parent::tear_down();
+	}
+
 	/**
 	 * @covers WP_REST_Templates_Controller::register_routes
 	 * @ticket 54596
@@ -950,9 +966,5 @@ public function test_prepare_item_for_database_injects_hooked_block() {
 			$prepared->post_content,
 			'The hooked block was not injected into the anchor block\'s ignoredHookedBlocks metadata.'
 		);
-
-		remove_filter( 'rest_pre_insert_wp_template_part', 'inject_ignored_hooked_blocks_metadata_attributes', 10 );
-
-		unregister_block_type( 'tests/hooked-block' );
 	}
 }