Bug 123468 [clean up] 'add this qualifier' super.field becomes super.this.field
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/CleanUpTest.java
ICompilationUnit cu1= pack1.createCompilationUnit("E1.java", buf.toString(), false, null);
		
		IPackageFragment pack2= fSourceFolder.createPackageFragment("test2", false, null);
		buf= new StringBuffer();
		buf.append("package test2;\n");
		buf.append("public interface I1 {}\n");
		pack2.createCompilationUnit("I1.java", buf.toString(), false, null);
		
		CleanUpRefactoring refactoring= new CleanUpRefactoring();
		refactoring.addCompilationUnit(cu1);
		
		ICleanUp cleanUp= new CodeStyleCleanUp(CodeStyleCleanUp.QUALIFY_STATIC_FIELD_ACCESS);
		refactoring.addCleanUp(cleanUp);
		
		assertRefactoringHasNoChange(refactoring);
	}
	
	public void testCodeStyle23() 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 fNb= 0;\n");
		buf.append("    public void foo() {\n");
		buf.append("        if (true)\n");
		buf.append("            fNb++;\n");
		buf.append("        String s; //$NON-NLS-1$\n");
		buf.append("    }\n");
		buf.append("}\n");
		ICompilationUnit cu1= pack1.createCompilationUnit("E1.java", buf.toString(), false, null);