Index: tests/phpunit/tests/post.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- tests/phpunit/tests/post.php	(revision 40284)
+++ tests/phpunit/tests/post.php	(revision )
@@ -956,9 +956,8 @@
 	 */
 	function test_utf8mb3_post_saves_with_emoji() {
 		global $wpdb;
-		$_wpdb = new wpdb_exposed_methods_for_testing();
 
-		if ( 'utf8' !== $_wpdb->get_col_charset( $wpdb->posts, 'post_title' ) ) {
+		if ( 'utf8' !== $wpdb->get_col_charset( $wpdb->posts, 'post_title' ) ) {
 			$this->markTestSkipped( 'This test is only useful with the utf8 character set' );
 		}
 
