Zapier and Stripe Test Mode Integration Issue: Slack Notifications Not Sent

I connected my Stripe account to Zapier using the test mode secret key. My Zap is set up to send a Slack notification to a channel. When I trigger the Zap from within Zapier, it works, and the Slack message is sent. However, when I trigger from Stripe CLI using stripe trigger payment_intent.succeeded or complete a transaction using test mode payment links, the Zap doesn't work, and no Slack message is sent. Is this expected behavior?