updating Models according to PSR.

Signed-off-by: Gnanakeethan Balasubramaniam <gnanakeethan@gmail.com>
updating for PSR Standard.

Signed-off-by: Gnanakeethan Balasubramaniam <gnanakeethan@gmail.com>
updating codeception config.

Signed-off-by: Gnanakeethan Balasubramaniam <gnanakeethan@gmail.com>