Bug 125872 [clean up] 'Serial id' should not be in J2SE 5 section
20060131 'Serial id' should not be in J2SE 5 section. It is valid for all source levels.
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/CleanUpTest.java
}
		assertEqualStringsIgnoreOrder(previews, new String[] { expected1, expected2, expected3});	
	}
	
	public void testUnusedCode03() 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 E1(int i) {}\n");
		buf.append("}\n");
		ICompilationUnit cu1= pack1.createCompilationUnit("E1.java", buf.toString(), false, null);
		
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E2 {\n");
		buf.append("    public E2() {}\n");
		buf.append("    private E2(int i) {}\n");
		buf.append("    private E2(String s) {}\n");
		buf.append("}\n");
		ICompilationUnit cu2= pack1.createCompilationUnit("E2.java", buf.toString(), false, null);
		
		IPackageFragment pack2= fSourceFolder.createPackageFragment("test2", false, null);
		buf= new StringBuffer();
		buf.append("package test2;\n");
		buf.append("public class E3 {\n");
		buf.append("    public class E3Inner {\n");
		buf.append("        private E3Inner(int i) {}\n");
		buf.append("    }\n");
		buf.append("    private void foo() {\n");