tests/yaml/data/listappendprepend.yaml

# Composited on top of basics.yaml, prepending and appending to it's children list
children:
  (<):
  - name: prepended1
    mood: prepended1
  - name: prepended2
    mood: prepended2
  (>):
  - name: appended1
    mood: appended1
  - name: appended2
    mood: appended2