chore(package): update uglify-es v3.2.0...v3.2.1 (#190)

* updated 'uglify-es' version

* updated test snapshot

Author: SuperManEver

Diff for: package.json

@@ -35,7 +35,7 @@
     "serialize-javascript": "^1.4.0",
     "schema-utils": "^0.3.0",
     "source-map": "^0.6.1",
-    "uglify-es": "^3.2.0",
+    "uglify-es": "^3.2.1",
     "webpack-sources": "^1.0.1",
     "worker-farm": "^1.4.1"
   },

Diff for: test/__snapshots__/ecma.test.js.snap

@@ -106,7 +106,7 @@ exports[`ecma 6: errors 1`] = `Array []`;
 
 exports[`ecma 6: main.js 1`] = `
 "webpackJsonp([ 0 ], [ function(module, exports) {
-    class Mortgage {
+    module.exports = class {
         constructor(principal, years, rate) {
             this.principal = principal, this.years = years, this.rate = rate;
         }
@@ -130,8 +130,7 @@ exports[`ecma 6: main.js 1`] = `
             }
             return amortization;
         }
-    }
-    module.exports = Mortgage;
+    };
 } ], [ 0 ]);"
 `;