doc : update

README.md

@@ -460,4 +460,19 @@ ENV DATABASE_HOST 127.0.0.1
 ENV DATABASE_USER root
 ENV DATABASE_PASSWORD password
 ENV DATABASE_NAME sakila
+```
+
+
+# Tests on local machine
+
+Login to mysql shell
+
+```
+mysql> create database classicmodels
+mysql> use classicmodels
+mysql> source path_to/xmysql/tests/sample.sql
+```
+
+```
+$ mocha tests/*.js --exit
 ```