30394 ----- 11575 Add a Spec model for DiffMorph https://pharo.fogbugz.com/f/cases/11575 11533 Change testEnsureDeleted into testEnsureDelete https://pharo.fogbugz.com/f/cases/11533 11593 MCMergeOrLoadWarning actions should use #resume: instead of #return https://pharo.fogbugz.com/f/cases/11593 Diff information: http://smalltalkhub.com/mc/Pharo/Pharo30/main/Spec-Widgets-MarcusDenker.241.... http://smalltalkhub.com/mc/Pharo/Pharo30/main/Polymorph-Tools-Diff-MarcusDen... http://smalltalkhub.com/mc/Pharo/Pharo30/main/Monticello-MarcusDenker.861.di... http://smalltalkhub.com/mc/Pharo/Pharo30/main/FileSystem-Tests-Core-MarcusDe...