fix eslint error

Author: Romex91

jest.config.js

@@ -3,6 +3,6 @@ export default {
   testEnvironment: 'jsdom',
   setupFiles: ['<rootDir>/node_package/tests/jest.setup.js'],
   moduleNameMapper: {
-    '^(\\.{1,2}/.*)\\.js$': '$1'
+    '^(\\.{1,2}/.*)\\.js$': '$1',
   },
 };