Neos\Flow\Tests\Unit\Security\AccountTest::addRoleSkipsRoleIfAssigned PHP Метод

    public function addRoleSkipsRoleIfAssigned()
    {
        $this->account->setRoles([$this->administratorRole]);
        $this->account->addRole($this->administratorRole);
        $this->assertCount(1, $this->account->getRoles());
    }