Nelmio\Alice\Definition\FlagBagTest::testCannotCumulateOptionalFlags PHP Method

    public function testCannotCumulateOptionalFlags()
    {
        $optionalFlag1 = new OptionalFlag(20);
        $optionalFlag2 = new OptionalFlag(60);
        $flags = (new FlagBag('user0'))->withFlag($optionalFlag1)->withFlag($optionalFlag2);
        $this->assertSameFlags([$optionalFlag2], $flags);
    }