See infra’s infra_wct_tester recipe for an example: https://chromium.googlesource.com/infra/infra/+/master/recipes/recipes/infra_wct_tester.py

Use led to try out the new recipe (maybe this has to be done later, after the bucket config?)

TODO: See if infra_internal can import the same wct recipe module that infra.git’s recipe does. The WCT recipe module lives in build.git now, so … maybe? If not, there’s probably some extra work to make it visible to infra_internal.git too. See
https://chromium.googlesource.com/chromium/tools/build.git/+/master/scripts/slave/recipe_modules/wct/