$ sbx kit pack ./fixtures/kits/hello-mixin -o $CAPTURE/work/hello-mixin.zip
Packed artifact to $CAPTURE/work/hello-mixin.zip
[exit 0]

$ zip listing of work/hello-mixin.zip (size, name)
       0  files/
       0  files/workspace/
      22  files/workspace/HELLO.md
     297  spec.yaml