Neos\Flow\Tests\Unit\Security\AccountTest::addRoleAddsRoleToAccountIfNotAssigned PHP Method

    public function addRoleAddsRoleToAccountIfNotAssigned()
    {
        $this->account->setRoles([$this->administratorRole]);
        $this->account->addRole($this->customerRole);
        $this->assertCount(2, $this->account->getRoles());
    }