[Pharo 8.0] Build #854: Integrate-ObservableSlot-as-part-of-VariablesLibrary

There is a new Pharo build available!
 
The status of the build #854 was: FAILURE.

The Pull Request #4877 was integrated: "Integrate-ObservableSlot-as-part-of-VariablesLibrary"
Pull request url: https://github.com/pharo-project/pharo/pull/4877

Issue Url: https://github.com/pharo-project/pharo/issues/Integrate
Build Url: https://ci.inria.fr/pharo-ci-jenkins2/job/Test%20pending%20pull%20request%20and%20branch%20Pipeline/job/Pharo8.0/854/