What Maven goal do you run to cause this problem? This sounds like a
configuration problem. You have the Liquibase plugin set to run in the
pre-integration-test phase which means you will need to specifically
need to target the integration-test goal for it to fire.
This didn't fire the Liquibase plugin: mvn test
This did fire the Liquibase plugin: mvn integration-test
Try using the integration-test goal.
This didn't fire the Liquibase plugin: mvn test
This did fire the Liquibase plugin: mvn integration-test
Try using the integration-test goal.