Give spec/libsass-closed-issues/issue_2779.hrx a canonical output (#1584)
Give spec/libsass-closed-issues/issue_2779.hrx a canonical output (#1584)

Closes #1550
mgreter/sass-spec,mgreter/sass-spec,mgreter/sass-spec,sass/sass-spec,sass/sass-spec,sass/sass-spec,sass/sass-spec