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
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
		StringBuffer buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E1 {\n");
		buf.append("    static String s;\n");
		buf.append("    public void foo() {\n");
		buf.append("        System.out.println(s);\n");
		buf.append("    }\n");
		buf.append("    E1(){}\n");
		buf.append("}\n");
		ICompilationUnit cu1= pack1.createCompilationUnit("E1.java", buf.toString(), false, null);
		
		CleanUpRefactoring refactoring= new CleanUpRefactoring();
		refactoring.addCompilationUnit(cu1);
		
		ICleanUp cleanUp= new CodeStyleCleanUp(CodeStyleCleanUp.QUALIFY_STATIC_FIELD_ACCESS);
		refactoring.addCleanUp(cleanUp);
		
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E1 {\n");
		buf.append("    static String s;\n");
		buf.append("    public void foo() {\n");
		buf.append("        System.out.println(E1.s);\n");
		buf.append("    }\n");
		buf.append("    E1(){}\n");
		buf.append("}\n");
		String expected1= buf.toString();
		
		assertRefactoringResultAsExpected(refactoring, new String[] {expected1});