Increase refLinker test coverage
Increase refLinker test coverage

fedelibre/hugo,gohugoio/hugo,fedelibre/hugo,mdhender/hugo,mdhender/hugo,mdhender/hugo,fedelibre/hugo,fedelibre/hugo,gohugoio/hugo,anthonyfok/hugo,anthonyfok/hugo,gohugoio/hugo,mdhender/hugo,anthonyfok/hugo