function test_setKey_required()
{
//Arrange
$unisex = 0;
$key_required = '01';
$id = null;
$test_key_required = new Bathroom($unisex, $key_required, $public, $handicap, $changing_table, $id);
//Act
$test_key_required->setkey_required("10");
$result = $test_key_required->getkey_required();
//Assert
$this->assertEquals("10", $result);
}
