fix lint and unit test

Author: michielbdejong

src/acl-check.js

@@ -1,7 +1,6 @@
 // Access control logic
 
 const $rdf = require('rdflib')
-const Fetcher = $rdf.Fetcher
 const ACL = $rdf.Namespace('http://www.w3.org/ns/auth/acl#')
 const FOAF = $rdf.Namespace('http://xmlns.com/foaf/0.1/')
 const VCARD = $rdf.Namespace('http://www.w3.org/2006/vcard/ns#')

test/unit/get-trusted-modes-for-origin-test.js

@@ -36,7 +36,7 @@ test('aclCheck getTrustedModesForOrigin() getting trusted modes from publisherSt
   `
   $rdf.parse(publisherText, publisherStore, publisher.uri, 'text/turtle')
 
-  aclLogic.getTrustedModesForOrigin(publisherStore, aclDoc, doc, origin).then(result => {
+  aclLogic.getTrustedModesForOrigin(publisherStore, aclDoc, doc, origin, Promise.resolve.bind(Promise)).then(result => {
     t.deepEqual(result, [ACL('Read'), ACL('Write')], 'Should get a list of modes')
     t.end()
   })