Adding `@group` annotation for tests introduced in #6021
Merge branch 'hotfix/#6021-di-abstract-factory-invalid-variable-name'

Close #6021
Merge branch 'hotfix/#6021-di-abstract-factory-invalid-variable-name' into develop

Close #6021
Forward Port #6021
Fix for #6012 - Use wrapper for substr() in ProgressBar
#6012 - Add multibyte testing for long and short strings. Move Stub to ConsoleStub as it was conflicting with the ProgressBar\Stub class
Fixed `@group` annotations for tests for #6012
Merge branch 'hotfix/#6012-progressbar-multibyte-support'

Close #6012
Merge branch 'hotfix/#6012-progressbar-multibyte-support' into develop

Close #6012
Forward Port #6012
ZendMvc depends on ZendLog by default in 2.3.0, add it to composer
Merge branch 'hotfix/#6007-zend-log-dependency-in-mvc'

Close #6007 #6006
Merge branch 'hotfix/#6007-zend-log-dependency-in-mvc' into develop

Close #6007 #6006
Forward Port #6007
added missing bitwise validator
Merge branch 'hotfix/#5998-missing-bitwise-validator-in-validator-plugin-manager'

Close #5998
Merge branch 'hotfix/#5998-missing-bitwise-validator-in-validator-plugin-manager' into develop

Close #5998
fix for unselected select multiple; extended the unit test, fix doc block, fix margin
Allow aria-labelledby and aria-describedby attributes in form elements
Merge branch 'feature/#5989-aria-labelledby-describedby-form-elements'

Close #5989
Merge branch 'feature/#5989-aria-labelledby-describedby-form-elements' into develop

Close #5989
Forward Port #5989
Removing unused import from Zend\ProgressBar tests
Merge branch 'hotfix/unused-imports-fix'