run mysql tests

README.md

@@ -487,5 +487,6 @@ user which can access it:
 ```
 mysql> CREATE DATABASE esqutest;
 mysql> CREATE USER 'travis'@'localhost';
+mysql> ALTER USER 'travis'@'localhost' IDENTIFIED BY 'esqutest';
 mysql> GRANT ALL ON esqutest.* TO 'travis';
 ```

test/MySQL/Test.hs

@@ -240,7 +240,7 @@ withConn :: RunDbMonad m => (SqlBackend -> R.ResourceT m a) -> m a
 withConn =
   R.runResourceT .
   withMySQLConn defaultConnectInfo
-    { connectHost     = "127.0.0.1"
+    { connectHost     = "localhost"
     , connectUser     = "travis"
     , connectPassword = "esqutest"
     , connectDatabase = "esqutest"