atk4\data\tests\TypecastingTest::testTypecastBoolean PHP Method

    public function testTypecastBoolean()
    {
        $db = new Persistence_SQL($this->db->connection);
        $m = new Model($db, 'job');
        $f = $m->addField('closed', ['type' => 'boolean', 'enum' => ['N', 'Y']]);
        $this->assertEquals('N', $db->typecastSaveField($f, 'N'));
    }