Use floor instead of round in test

Author: bgrgicak

tests/WP_SQLite_Metadata_Tests.php

@@ -112,7 +112,7 @@ public function testInformationSchemaTables() {
 			"SELECT
 				table_name as 'name',
 				engine AS 'engine',
-				round( ( data_length / 1024 / 1024 ), 2 ) 'data'
+				FLOOR( data_length / 1024 / 1024 ) 'data'
 			FROM INFORMATION_SCHEMA.TABLES
 			WHERE TABLE_NAME = 'wp_posts'
 			ORDER BY name ASC;"