Enable tests.

Author: davidlehn

tests/test-common.js

@@ -203,8 +203,6 @@ const TEST_TYPES = {
         /expand-manifest.jsonld#tdi09$/,
         // @json
         /expand-manifest.jsonld#tjs09$/,
-        // relative @context
-        /expand-manifest.jsonld#tc031$/,
       ]
     },
     fn: 'expand',
@@ -479,8 +477,6 @@ const TEST_TYPES = {
         /toRdf-manifest.jsonld#tdi10$/,
         /toRdf-manifest.jsonld#tdi11$/,
         /toRdf-manifest.jsonld#tdi12$/,
-        // relative @context
-        /toRdf-manifest.jsonld#tc031$/,
       ]
     },
     fn: 'toRDF',