### Question:
CompoundPropertyBean { @Override public String toString() { return "CompoundPropertyBean{" + "plainModelTwoSingleton=" + plainModelTwoSingleton + '}'; }  PlainModelTwo getPlainModelTwoSingleton(); void setPlainModelTwoSingleton(PlainModelTwo plainModelTwoSingleton); @Override String toString();  }### Answer:
@Test public void testToString() throws Exception { CompoundPropertyBean compoundPropertyBean = getBean(CompoundPropertyBean.class); System.out.println(PrintUtil.formatTestResult( compoundPropertyBean.getPlainModelTwoSingleton().getInnerBeanModel().getInnerBeanModelStr())); }