Update combine_ways.test.js

Author: Beakerboy

test/combine_ways.test.js

@@ -90,7 +90,7 @@ describe('Combine Ways', () => {
         '<way id="2"><nd ref="3"/><nd ref="4"/></way>',
         '<way id="3"><nd ref="4"/><nd ref="1"/></way>',
         '<way id="4"><nd ref="2"/><nd ref="3"/></way>',
-      ], 1, 4, 'Test combining 4 ways'
+      ], 1, 4, 'Test combining 4 ways',
     ],
   ])('${description}', (ways, length, nodes, description) => {
     let parser = new window.DOMParser();