try with these sites. they have instant IPTV test.
https://bestbuyiptv.com (48h instant)
https://iptvstack.com/free-trial (24h instant)
http://www.evybuy.com (IPTV QHDTV arabic 24hr Trial instant)
http://www.evybuy.com (IPTV SUB global 24hr Trial instant)
http://www.evybuy.com (IPTV JUDTV european 48hr Trial instant)
https://www.iviewhdtv.com/ (72h android-enigma 2)
https://www.aliexpress.com/ (with search for the words "IPTV subscription")
https://www.apkintvbox.com/
https://www.88tv.store/
https://fr.myiptv.tv/iptv-free.html
http://maroc-iptv.com/Fr/channels.php
watch the videos of this youtube channel https://www.youtube.com/c/superiptvbox step by step you can have the test