Document test class detection and customisation (#2048)
Document test class detection and customisation (#2048)

* docs: document test class configuration

Fixes #1968

Signed-off-by: Harsh Shandilya <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@msfjarvis.dev>

* docs/recipes: slightly tweak wording in test environment detection

Signed-off-by: Harsh Shandilya <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@msfjarvis.dev>
square/leakcanary,square/leakcanary,square/leakcanary