node pre 4.x replace arrow functions in tests with non-arrow

Author: sidorares

test/common.js

@@ -11,7 +11,7 @@ module.exports.SqlString = require('sqlstring');
 module.exports.config = config;
 
 module.exports.waitDatabaseReady = function(callback) {
-  const tryConnect = () => {
+  const tryConnect = function() {
     const conn = module.exports.createConnection();
     conn.on('error', function(err) {
       console.log(err);

test/run.js

@@ -13,15 +13,14 @@ process.env.TZ = 'UTC';
 
 require('urun')(__dirname, options);
 
-
-process.on('exit', (code) => {
-  console.log(`About to exit with code: ${code}`);
+process.on('exit', function(code) {
+  console.log('About to exit with code: ' + code);
 });
 
-process.on('unhandledRejection', (reason) => {
+process.on('unhandledRejection', function(reason) {
   console.log('unhandledRejection', reason);
 });
 
-process.on('uncaughtException', (err) => {
+process.on('uncaughtException', function(err) {
   console.log('uncaughtException', err);
 });