using wpt public instance with API Key

[target]

Hello,
I am running the following scripts on public instance using an API key.
The script is executing till 2nd navigation command and then it stops.
When I run it manually using public instance, it worked fine.
Any idea why is it failing?

setEventName Target-PLP
navigate https://www.target.com/c/comforters-bedd...e=products
setEventName Amazon-PLP
navigate https://www.amazon.com/b/ref=s9_acss_bw_..._i=1057792
setEventName Walmart-PLP
navigate https://www.walmart.com/browse/home/comf...forterSets
setEventName Wayfair-PLP
navigate https://www.wayfair.com/bed-bath/sb0/com...15334.html