Add zero-or-more-path-zero test

sparql/manifest-raw.txt

@@ -17,3 +17,4 @@ optional-filter-exists FILE@https://raw.githubusercontent.com/comunica/manifest-
 willis-product TPF@https://fragments.dbpedia.org/2016-04/en
 non-existing-optional-fed TPF@https://fragments.dbpedia.org/2016-04/en TPF@https://data.linkeddatafragments.org/ugent-biblio
 starring-selective-filter TPF@https://fragments.dbpedia.org/2016-04/en
+zero-or-more-path-zero FILE@https://raw.githubusercontent.com/comunica/manifest-ldf-tests/master/sparql/common04_static/rubent.html

sparql/sparql-manifest.ttl

@@ -28,6 +28,7 @@
   :willis-product
   :non-existing-optional-fed
   :starring-selective-filter
+  :zero-or-more-path-zero
   ) .
 
 :directors01 rdf:type et:LdfQueryEvaluationTest ;
@@ -261,4 +262,15 @@
   et:dataSources(
     [ et:source <https://fragments.dbpedia.org/2016-04/en> ;
       et:sourceType et:TPF ] ) ;
-  mf:result  <starring-selective-filter/result.srj> . 
+  mf:result  <starring-selective-filter/result.srj> .
+
+:employees rdf:type et:LdfQueryEvaluationTest ;
+  mf:name    "SELECT - Zero or more path zero" ;
+  rdfs:comment "Zero-or-more property path where only the zero part applies" ;
+  mf:action
+        [ qt:query  <zero-or-more-path-zero.rq> ;
+          et:mockFolder <zero-or-more-path-zero> ] ;
+  et:dataSources (
+      [ et:source <common04_static/rubent.html> ;
+        et:sourceType et:File ] ) ;
+  mf:result  <zero-or-more-path-zero/result.srj> .

sparql/zero-or-more-path-zero.rq

@@ -0,0 +1,6 @@
+PREFIX owl: <http://www.w3.org/2002/07/owl#>
+SELECT *
+WHERE {
+  <https://www.rubensworks.net/#me> owl:nonExisting? ?a .
+  ?a ?rel ?b .
+}