[JBIDE-17799] Compile error in arquillian

Fix switches to use ProjectExampleWorkingCopy class in tests
Apply after PR https://github.com/jbosstools/jbosstools-central/pull/260
released to central's master
JBIDE-16125 - 'Select Maven Profiles' changes the selected resource in Project Explorer
JBIDE-17074 - Order Arquillian profiles alphabetically
JBIDE-17073 - Run configurations - stop button does not work
Merge branch 'jbide-17073' of https://github.com/snjeza/jbosstools-arquillian into snjeza-jbide-17073
JBIDE-16993 - quickfixes for the issues arquillian editor finds
JBIDE-16125 - revert https://github.com/jbosstools/jbosstools-arquillian/pull/76
Merge branch 'jbide-16125b' of https://github.com/snjeza/jbosstools-arquillian into snjeza-jbide-16125b
JBIDE-17766 - Updating parent pom to 4.2.0.CR1
Merge branch 'master' of https://github.com/jbosstools/jbosstools-arquillian
JBIDE-16125 - 'Add Arquillian Profiles' changes the selected resource in Project Explorer
JBIDE-17597 - Changing package presentation on Arquillia cruiser view does not work
JBIDE-17079 - Checkbox  in AddArquillianProfilesDialog is enabled even for already present profiles.
JBIDE-17089 - New Arquillian test case - classes selection
JBIDE-16991 - arquillian editor - quailfiier list is very slow to load
JBIDE-17957 - Change error logged when no maven profile is selected
JBIDE-18023 - Ensure copyrights and provider names are correct in all plugins and features
JBIDE-17899 - 'Java Model Exception' when removing a Java file
JBIDE-17956 - Add progress bar to Add Arquillian profiles dialog
JBIDE-18023 - Ensure copyrights and provider names are correct in all plugins and features