Bug 120585 [clean up] needs two invocations until all clean ups are performed
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/CleanUpTest.java
buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E1 {\n");
		buf.append("    public void foo() {\n");
		buf.append("        int i= bar();\n");
		buf.append("    }\n");
		buf.append("    public int bar() {return 1;}\n");
		buf.append("}\n");
		String expected1= buf.toString();
		
		assertRefactoringResultAsExpected(refactoring, new String[] {expected1});
	}
	
	public void testUnusedCode08() throws Exception {
		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
		StringBuffer buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E1 {\n");
		buf.append("    private int i= bar();\n");
		buf.append("    private int j= 1;\n");
		buf.append("    public int bar() {return 1;}\n");
		buf.append("}\n");
		ICompilationUnit cu1= pack1.createCompilationUnit("E1.java", buf.toString(), false, null);
		
		CleanUpRefactoring refactoring= new CleanUpRefactoring();
		refactoring.addCompilationUnit(cu1);
		
		ICleanUp cleanUp= new UnusedCodeCleanUp(UnusedCodeCleanUp.REMOVE_UNUSED_PRIVATE_FIELDS);
		refactoring.addCleanUp(cleanUp);