[Test] Clean up some tests for woql.js

Author: Cheukting

test/woql.spec.js

@@ -449,7 +449,7 @@ describe('triple builder chanier', function () {
     const woqlObject2=WOQL.node("doc:x", "add_quad").graph("db:mySchema").label("my label", "en");
 
     const jsonObj={};
-    const jsonObj2={ add_quad: ['doc:x', 'rdfs:label', { '@value': 'my label', '@language': 'en' }, 'db:mySchema'] };
+    const jsonObj2={ 'add_quad': ['doc:x', 'rdfs:label', { '@value': 'my label', '@language': 'en' }, 'db:mySchema'] };
 
     expect(woqlObject.json()).to.eql(jsonObj);
     expect(woqlObject2.json()).to.eql(jsonObj2);
@@ -460,7 +460,7 @@ describe('triple builder chanier', function () {
 
     const woqlObject=WOQL.node("doc:x", "add_quad").label("my label", "en");
 
-    const jsonObj={ add_quad: ['doc:x', 'rdfs:label', { '@value': 'my label', '@language': 'en' }, 'db:schema'] };
+    const jsonObj={ 'add_quad': ['doc:x', 'rdfs:label', { '@value': 'my label', '@language': 'en' }, 'db:schema'] };
 
     expect(woqlObject.json()).to.eql(jsonObj);
 
@@ -499,7 +499,7 @@ describe('triple builder chanier', function () {
 
     const woqlObject=WOQL.node("doc:x", "add_quad").property("myprop", "value");
 
-    const jsonObj={ add_quad: ['doc:x', 'scm:myprop', { '@value': 'value', '@language': 'en' }, 'db:schema'] };
+    const jsonObj={ 'add_quad': ['doc:x', 'scm:myprop', { '@value': 'value', '@language': 'en' }, 'db:schema'] };
 
     expect(woqlObject.json()).to.eql(jsonObj);