[junit] java.lang.StackOverflowError
    [junit]     at java.util.AbstractList$Itr.next(AbstractList.java:422)
    [junit]     at org.openide.util.lookup.InheritanceTree.extractNode(InheritanceTree.java:943)
    [junit]     at org.openide.util.lookup.InheritanceTree.classToNode(InheritanceTree.java:362)
    [junit]     at org.openide.util.lookup.InheritanceTree.searchClass(InheritanceTree.java:592)
    [junit]     at org.openide.util.lookup.InheritanceTree.lookup(InheritanceTree.java:240)
    [junit]     at org.openide.util.lookup.DelegatingStorage.lookup(DelegatingStorage.java:172)
    [junit]     at org.openide.util.lookup.AbstractLookup.lookupItem(AbstractLookup.java:429)
    [junit]     at org.openide.util.lookup.AbstractLookup.lookup(AbstractLookup.java:414)
    [junit]     at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:205)
    [junit]     at org.netbeans.modules.openide.filesystems.RecognizeInstanceFiles$FOItem.getType(RecognizeInstanceFiles.java:233)
    [junit]     at org.netbeans.modules.openide.filesystems.RecognizeInstanceFiles$FOItem.instanceOf(RecognizeInstanceFiles.java:199)
    [junit]     at org.openide.util.lookup.ArrayStorage$1CheckEn.process(ArrayStorage.java:227)
    [junit]     at org.openide.util.lookup.ArrayStorage$1CheckEn.process(ArrayStorage.java:221)
    [junit]     at org.openide.util.Enumerations$FilEn.hasMoreElements(Enumerations.java:555)
    [junit]     at org.openide.util.lookup.AbstractLookup.findSmallest(AbstractLookup.java:454)
    [junit]     at org.openide.util.lookup.AbstractLookup.lookupItem(AbstractLookup.java:431)
    [junit]     at org.openide.util.lookup.AbstractLookup.lookup(AbstractLookup.java:414)
    [junit]     at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:205)
    [junit]     at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:205)
    [junit]     at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:205)
    [junit]     at org.netbeans.modules.openide.filesystems.RecognizeInstanceFiles$FOItem.getType(RecognizeInstanceFiles.java:233)
    [junit]     at org.netbeans.modules.openide.filesystems.RecognizeInstanceFiles$FOItem.instanceOf(RecognizeInstanceFiles.java:199)
    [junit]     at org.openide.util.lookup.AbstractLookup.matches(AbstractLookup.java:576)
    [junit]     at org.openide.util.lookup.AbstractLookup.findSmallest(AbstractLookup.java:457)
    [junit]     at org.openide.util.lookup.AbstractLookup.lookupItem(AbstractLookup.java:447)
    [junit]     at org.openide.util.lookup.AbstractLookup.lookup(AbstractLookup.java:414)
    [junit]     at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:205)
    [junit]     at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:205)
    [junit]     at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:205)
    [junit]     at org.netbeans.modules.openide.filesystems.RecognizeInstanceFiles$FOItem.getType(RecognizeInstanceFiles.java:233)
    [junit]     at org.netbeans.modules.openide.filesystems.RecognizeInstanceFiles$FOItem.instanceOf(RecognizeInstanceFiles.java:199)
    ............
    [junit]     at org.openide.util.lookup.AbstractLookup.matches(AbstractLookup.java:576)
    [junit]     at org.openide.util.lookup.AbstractLookup.findSmallest(AbstractLookup.java:457)
    [junit]     at org.openide.util.lookup.AbstractLookup.lookupItem(AbstractLookup.java:447)
    [junit]     at org.openide.util.lookup.AbstractLookup.lookup(AbstractLookup.java:414)
    [junit]     at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:205)
    [junit]     at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:205)
    [junit]     at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:205)
    [junit]     at org.netbeans.modules.openide.filesystems.RecognizeInstanceFiles$FOItem.getType(RecognizeInstanceFiles.java:233)
    [junit]     at org.netbeans.modules.openide.filesystems.RecognizeInstanceFiles$FOItem.instanceOf(RecognizeInstanceFiles.java:199)
    [junit]     at org.openide.util.lookup.AbstractLookup.matches(AbstractLookup.java:576)
    [junit]     at org.openide.util.lookup.AbstractLookup.findSmallest(AbstractLookup.java:457)
    [junit] 
    [junit] 
    [junit] Test org.netbeans.modules.groovy.editor.api.parser.GroovyVirtualSourceProviderTest FAILED