Bug 106855 [quick fix] Add quickfix for remove unnecessary nls tags
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/LocalCorrectionsQuickFixTest.java
CompilationUnit astRoot= getASTRoot(cu);
		ArrayList proposals= collectCorrections(cu, astRoot);
		assertNumberOfProposals(proposals, 1);
		assertCorrectLabels(proposals);
		CUCorrectionProposal proposal= (CUCorrectionProposal) proposals.get(0);
		String preview= getPreviewContent(proposal);
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E {\n");
		buf.append("    private Object[] foo() {\n");
		buf.append("        Object[] j= new Object[0];\n");
		buf.append("        j = null;\n");
		buf.append("        return j;\n");
		buf.append("    }\n");
		buf.append("}\n");
		assertEqualString(preview, buf.toString());
	}	
	public void testUnusedVariable2() throws Exception {
		Hashtable hashtable= JavaCore.getOptions();
		hashtable.put(JavaCore.COMPILER_PB_UNUSED_LOCAL, JavaCore.ERROR);
		hashtable.put(JavaCore.COMPILER_PB_UNUSED_PARAMETER, JavaCore.ERROR);
		JavaCore.setOptions(hashtable);
		
		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
		StringBuffer buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E {\n");
		buf.append("    private void foo() {\n");
		buf.append("        for (int j= 0, i= 0; i < 3; i++) {\n");
		buf.append("             j= i;\n");