D:\xampp\htdocs\27_integration>vendor\bin\phpunit

Moodle 2.7.1+ (Build: 20140724), oci, 0fbda60bb3d78c5d2587b8d33dba9d0c7231cd94

PHPUnit 3.7.37 by Sebastian Bergmann.

Configuration read from D:\xampp\htdocs\27_integration\phpunit.xml

............................................................

Fatal error: Uncaught exception 'ddl_change_structure_exception' with message 'DDL sql execution error (ORA-14452: attempt to create, alter or drop an index on temporary table already in use

DROP TABLE m_006270ab00014)' in D:\xampp\htdocs\27_integration\lib\dml\moodle_database.php:449

Stack trace:

#0 D:\xampp\htdocs\27_integration\lib\dml\oci_native_moodle_database.php(271): moodle_database->query_end(false)

#1 D:\xampp\htdocs\27_integration\lib\dml\oci_native_moodle_database.php(904): oci_native_moodle_database->query_end(false, Resource id #96554)

#2 D:\xampp\htdocs\27_integration\lib\ddl\database_manager.php(76): oci_native_moodle_database->change_database_structure(Array)

#3 D:\xampp\htdocs\27_integration\lib\ddl\database_manager.php(326): database_manager->execute_sql_arr(Array)

#4 D:\xampp\htdocs\27_integration\lib\testing\classes\util.php(671): database_manager->drop_table(Object(xmldb_table))

#5 D:\xampp\htdocs\27_integration\lib\phpunit\classes\util.php(264): testing_util::reset_database()

#6 D:\xampp\htdocs\27_i in D:\xampp\htdocs\27_integration\lib\dml\moodle_database.php on line 449