parameter: "yes"
===
config/tmp:1: parameter is not a boolean
===
parameter: False
===
config/tmp:1: parameter is not a boolean
===
foo: bar
parameter: 0
===
config/tmp:2: parameter is not a boolean
===
parameter: []
===
config/tmp:1: parameter is not a boolean
===
parameter: [ true ]
===
config/tmp:1: parameter is not a boolean
===
