ApaiIO\Test\Operations\Types\LookupTest::testMultiItemSet PHP Method

    public function testMultiItemSet()
    {
        $lookup = new Lookup();
        $lookup->setItemIds([1, 2, 3, 4]);
        $itemQuery = $lookup->getItemId();
        $this->assertSame('1,2,3,4', $itemQuery);
    }