Bug 127704 [clean up] 'Remove unnecessary casts' should work for nested casts
I20060214-0010 Clean up only removes one of the unnecessary casts: boolean m() { return (boolean) (Boolean) Boolean.TRUE; }
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/CleanUpTest.java
buf.append("import test1.E2;\n");
		buf.append("public class E3 {\n");
		buf.append("    private E1 e1;    \n");
		buf.append("    public void foo() {\n");
		buf.append("        this.e1= new E1();\n");
		buf.append("        int j= E1.i;\n");
		buf.append("        String s= this.e1.s;\n");
		buf.append("        this.e1.foo();\n");
		buf.append("        this.e1.e2.fooBar();\n");
		buf.append("        int k= this.e1.e2.e2.e2.i;\n");
		buf.append("        int h= E1.i;\n");
		buf.append("    }\n");
		buf.append("}\n");
		String expected1= buf.toString();
		
		String[] expected= new String[] {expected1};
		
		assertRefactoringResultAsExpected(refactoring, expected);
	}
	
	public void testCodeStyle06() 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("    public String s= \"\";\n");
		buf.append("    public E1 create() {\n");
		buf.append("        return new E1();\n");
		buf.append("    }\n");
		buf.append("    public void foo() {\n");