增加测试环境配置

+module.exports = {
+    assetsUrl: '//activity.yohobuy.com',
+    sessionRedis: {
+        host: '127.0.0.1',
+        port: 6379,
+        prefix: 'activity-session-test:',
+        ttl: 3600 // session 默认有效期
+    },
+    sessionName: 'yoho-activity-test',
+    sessionSecret: 'testsession'
+};

@@ -16,4 +16,8 @@ if (process.env.NODE_ENV !== 'production') {
     config = Object.assign(config, require('./config.dev'));
     config = Object.assign(config, require('./config.dev'));
 }
 }
 
 
+if (process.env.NODE_ENV !== 'test') {
+    config = Object.assign(config, require('./config.test'));
+}
+
 module.exports = config;
 module.exports = config;