Update building.test.js

Author: Beakerboy

test/building.test.js

@@ -329,13 +329,15 @@ test('Part must be within outline', () => {
   <nd ref="1"/>
   <nd ref="2"/>
   <nd ref="3"/>
+  <nd ref="1"/>
   <tag k="building" v="apartments"/>
  </way>
  <way id="22">
   <nd ref="4"/>
   <nd ref="5"/>
   <nd ref="6"/>
   <nd ref="7"/>
+  <nd ref="4"/>
   <tag k="building:part" v="yes"/>
  </way>
 </osm>