> " yes" true EXPECT: true
> " no" false EXPECT: false
> "yes " true EXPECT: true
-> Failed: unrecognised boolean value "-1"
+> "-1" true EXPECT: true
> "0" false EXPECT: false
> "1" true EXPECT: true
> " 0 " false EXPECT: false
> " " false EXPECT: false
> Failed: unrecognised boolean value "text"
> Failed: unrecognised boolean value "text"
+> Failed: unrecognised boolean value "-text"
> Failed: unrecognised boolean value "text"
> Failed: unrecognised boolean value "text"
> "00" false EXPECT: false