TemplateMarshaller implements IJsonMarshaller<Object> { @Override public Object toJava(String json) throws JsonUnmarshallingException { return null; }  @Override String toJson(Object obj); @Override Object toJava(String json);  }
@Test public void testToJava() throws Exception { System.out.println("toJava"); String json = "in"; Object expResult = null; Object result = instance.toJava(json); assertThat(result).isEqualTo(expResult); }