setTagIds example

    public function testRuleMatching(string $operator, bool $isMatching, array $ruleIdentifiers, array|string|null $givenIdentifier, bool $noCustomer = false): void
    {
        $customer = new CustomerEntity();

        /** @var list<string> $customerIdentifiers */
        $customerIdentifiers = array_filter(\is_array($givenIdentifier) ? $givenIdentifier : [$givenIdentifier]);
        $customer->setTagIds($customerIdentifiers);

        if ($noCustomer) {
            $customer = null;
        }

        $scope = $this->createScope($customer);
        $this->rule->assign(['identifiers' => $ruleIdentifiers, 'operator' => $operator]);

        $match = $this->rule->match($scope);
        if ($isMatching) {
            static::assertTrue($match);
        }