Merge branch 'hotfix/#6003-docblock-typo'

Close #6003
Rbac::getRole() : check object->getName()
Rbac::getRole() : check if required role is an object before loop.
Merge pull request #5973
Merge pull request #5973 in develop
Merge pull request #5973 in master
Failure: backslashes are not correctly escaped by the value generator
Adding hotfix for the value generator: escaping also backslashes
Adding test group for reference
Converting tests for ValueGenerator escaping to use a data provider
Adding functional test to verify proper escaping of parameter defaults
Merge pull request #6023
Merge pull request #6023 in develop