Update jest.config.js

Author: neSpecc

jest.config.js

@@ -30,4 +30,5 @@ module.exports = {
   setupFilesAfterEnv: ['./jest.setup.redis-mock.js', './jest.setup.mongo-repl-set.js'],
 
   globalTeardown: './jest.global-teardown.js',
+  testTimeout: 15000,
 };