How to run

Create database bugs in MySQL with credentials: username root; password root or update persistence.xml and hibernate.properties

Desired result

When Hibernate ORM 6.2.7.Final is used, once the unit test finishes the table manufacturer will be created having 2 columns:

name VARCHAR(255)
social_media TEXT -- as a result of well working @AttributeOverride annotation

What happens when Hibernate ORM is upgraded

When Hibernate ORM 6.3.1.Final is used, once the unit test finishes the table manufacturer will be created having 2 columns:

name VARCHAR(255)
socialMediaMap VARCHAR(255) -- @AttributeOverride not working anymore