Skipped
org.eclipse.jdt.ui.tests.quickfix.CleanUpTest1d8.testDoNotConcurrentModificationException (from org.eclipse.jdt.ui.tests.AutomatedSuite)
Skip Message
Either check exactly the data type (eg CopyOnWriteArrayList allows modifications) or stay away from refactoring when deletions/additions happen.btw simple for loop to enhanced for loop should do the same.