Yes, you have to set up Dokka to include *Test (I use *SampleTest) in its samples lookup

do you know how to do that in dokka 1.4.0-rc?

Sorry I haven’t migrated to Dokka 1.4 yet 😞

I think I got it:

dokkaHtml {
        dokkaSourceSets {
            configureEach {
                samples += "$rootDir/src/test/kotlin/kool/buffers.kt"
            }
        }
    }