@Test
 public void shouldConvertStringToObject() throws Exception {
   Set<ConvertiblePair> types = converter.getConvertibleTypes();
   assertEquals(1, types.size());
   ConvertiblePair pair = types.iterator().next();
   assertEquals(String.class, pair.getSourceType());
   assertEquals(Object.class, pair.getTargetType());
 }
  @Test
  public void getConvertibleTypes() {
    final Set<ConvertiblePair> convertibleTypes = converter.getConvertibleTypes();
    Assert.assertEquals(1, convertibleTypes.size());

    final ConvertiblePair convertiblePair = convertibleTypes.iterator().next();
    Assert.assertSame(Object.class, convertiblePair.getSourceType());
    Assert.assertSame(Object.class, convertiblePair.getTargetType());
  }