README.md in embulk-input-mysql-0.8.0 vs README.md in embulk-input-mysql-0.8.1

@@ -148,5 +148,14 @@
 ## Build
 
 ```
 $ ./gradlew gem
 ```
+
+Running tests:
+
+```
+$ cp ci/travis_mysql.yml ci/mysql.yml  # edit this file if necessary
+$ EMBULK_INPUT_MYSQL_TEST_CONFIG=`pwd`/ci/mysql.yml ./gradlew :embulk-input-mysql:check --info
+```
+
+This test data are expected by using 'UTC' as MySQL server's timezone. On the other hand, unit tests use 'Europe/Helsinki' as jdbc driver's session timezone.