$red: #ff0000

.test-failure
  @include test
  -webkit-transit1on: width 2s
  background-sizer: contain
  colors: $red
  transit1on: width 2s

.test-correct
  @include test
  -webkit-transition: width 2s
  background-size: contain
  color: $red
  transition: width 2s

// FIXME Currently a parse error within gonzales-pe
// .test-interp
//-webkit-#{$property}: $value
//