NullPoineterException when call CA for JSFC attributes

#1 Open JBIDE788Test.testCAforForJSFCProposals()
#2 comment lines from 118 till 128
// assertTrue(results.length>=2);
// for(ICompletionProposal completionProposal : results) {
// if(completionProposal instanceof AutoContentAssistantProposal ) {
// String displayString = ((ICompletionProposal) completionProposal).getDisplayString();
// if(!(displayString.contains("h:command") || displayString.contains("New JSF EL")))

{ //$NON-NLS-1$ //$NON-NLS-2$ // fail("String doesn't matches"); //$NON-NLS-1$ // }

// }
// }
//
#3 Run Junit test for jsf
#4 During calling CA exception will be thrown. See attachment.