I have Fastmail fetch email from my Gmail inbox. Spam that clears Gmail's filter and lands in my inbox, that Fastmail then retreives, ends up in my Fastmail sp

I have Fastmail fetch email from my Gmail inbox. Spam that clears Gmail's filter and lands in my inbox, that Fastmail then retreives, ends up in my Fastmail spam folder. Fastmail catches what Gmail does not in my case. Though the reverse has not been tested.