[Pharo 9.0] Build #395: Use Variable's directly instead of OCVariable wrappers

There is a new Pharo build available!
 
The status of the build #395 was: FAILURE.

The Pull Request #6638 was integrated: "Use Variable's directly instead of OCVariable wrappers"
Pull request url: https://github.com/pharo-project/pharo/pull/6638

Issue Url: https://github.com/pharo-project/pharo/issues/ocVarRefactorMerged
Build Url: https://ci.inria.fr/pharo-ci-jenkins2/job/Test%20pending%20pull%20request%20and%20branch%20Pipeline/job/Pharo9.0/395/