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

    public function testDoesNotDuplicateFlags()
    {
        $flags = (new FlagBag('user0'))->withFlag(new DummyFlag())->withFlag(new DummyFlag())->withFlag(new AnotherDummyFlag())->withFlag(new AnotherDummyFlag());
        $this->assertCount(2, $flags);
    }