opt.

Author: aladdin-add

lib/rules/no-identical-tests.js

@@ -54,11 +54,11 @@ module.exports = {
       }
 
       // convert array to object
-      const paObj = pa.reduce((result, item) => {
+      const paObj = Object.create(null);
+      pa.forEach(item => {
         const code = sourceCode.getText(item);
-        result[code] = true;
-        return result;
-      }, {});
+        paObj[code] = true;
+      });
 
       for (let i = 0; i < pb.length; i++) {
         const code = sourceCode.getText(pb[i]);