Remove code from method setUp responsible for save User to database,
from now we insert data into database from sql script.

Impoved method 'saveUser' and 'findLogin'
In bean hibernate4AnnotationSessionFactory add to properties

annotatedClasses new Entity: 
adrian.example.musicplayer.model.Music.Song
adrian.example.musicplayer.model.Music.Genres
adrian.example.musicplayer.model.Music.Album
adrian.example.musicplayer.model.Music.Artist

Based at this entity hibernate will be create Tables in databases. 

In bean hibernate4AnnotationSessionFactory add property  -
hibernate.hbm2ddl.import_files which will be import
scriptSqlMusicPlayer.sql and execute query inside this file.
In annotation '@Column' in 'user_information_id' add parameter 'nullable
= false' to have sure we can't inset null id for UserInformation.
In Annotation '@OneToOne in field 'userInformation' we remove parameter
'optional = false' because we have problem to save user.