Fix lint error.

Author: kevinpschaaf

test/unit/property-effects-template.html

@@ -586,6 +586,7 @@
     for (let i=0; i<nodeList.length; i++) {
       let node = nodeList[i];
       let nodeInfo = nodeInfoList[i];
+      let templateNodeInfo;
       switch (node.getAttribute('name')) {
         case 'el1':
           assert.equal(nodeInfo.specialNode, true);
@@ -610,7 +611,7 @@
         case 'el6':
           assert.isOk(nodeInfo.templateInfo);
           assert.equal(nodeInfo.templateInfo.nodeInfoList.length, 1)
-          let templateNodeInfo = nodeInfo.templateInfo.nodeInfoList[0];
+          templateNodeInfo = nodeInfo.templateInfo.nodeInfoList[0];
           assert.equal(templateNodeInfo.bindings.length, 1);
           assert.equal(templateNodeInfo.events.length, 1);
           assert.equal(templateNodeInfo.specialAttr, 't-attr');