phpBB 3.2.1 revert migrations

migrations.php

<?php

class m1_initial_schema extends \phpbb\db\migration\migration
{
	public function update_schema()
	{
		return array(
			'add_tables'	=> array(
				$this->table_prefix . 'test_table' => array(
					'COLUMNS'		=> array(
						'test_id'		=> array('UINT', null, 'auto_increment'),
						'some_numbr'	=> array('UINT', 0),
					),
					'PRIMARY_KEY'	=> 'test_id',
				),
			),
		);
	}

	public function revert_schema()
	{
		return array(
			'drop_tables'	=> array(
				$this->table_prefix . 'test_table',
			),
		);
	}
}

class m2_schema_fix extends \phpbb\db\migration\migration
{
	public static function depends_on()
	{
		return array(
			'\kasimi\above\migrations\m1_initial_schema',
		);
	}

	public function update_schema()
	{
		return array(
			'drop_columns'	=> array(
				$this->table_prefix . 'test_table'	=> array(
					'some_numbr',
				),
			),
			'add_columns'	=> array(
				$this->table_prefix . 'test_table'	=> array(
					'some_number'		=> array('UINT', 0),
				),
			),
		);
	}

	public function revert_schema()
	{
		return array(
			'add_columns'	=> array(
				$this->table_prefix . 'test_table'	=> array(
					'some_numbr'		=> array('UINT', 0),
				),
			),
			'drop_columns'	=> array(
				$this->table_prefix . 'test_table'	=> array(
					'some_number',
				),
			),
		);
	}
}