Unit Tests: after [35242], declare some missing instance props on individual test classes.

See #30017, #33968.



git-svn-id: https://develop.svn.wordpress.org/trunk@35243 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/tests/image/intermediate_size.php

@@ -5,6 +5,8 @@
  * @group upload
  */
 class Tests_Image_Intermediate_Size extends WP_UnitTestCase {
+	protected $ids = array();
+
 	function tearDown() {
 		$this->remove_added_uploads();
 		parent::tearDown();

tests/phpunit/tests/post/attachments.php

@@ -6,6 +6,7 @@
  * @group upload
  */
 class Tests_Post_Attachments extends WP_UnitTestCase {
+	protected $ids = array();
 
 	function tearDown() {
 		// Remove all uploads.

tests/phpunit/tests/post/wpUniquePostSlug.php

@@ -4,6 +4,8 @@
  * @group post
  */
 class Tests_Post_WpUniquePostSlug extends WP_UnitTestCase {
+	protected $post_ids = array();
+
 	/**
 	 * @ticket 21013
 	 */