@Test
  public void jsonPdxInstanceIsDeserializableReturnsTrue() {
    PdxInstance jsonPdxInstance =
        cache.createPdxInstanceFactory(JSONFormatter.JSON_CLASSNAME, false).create();

    assertThat(jsonPdxInstance.isDeserializable()).isTrue();
  }
Have a pdx with an array of pdx. Make sure the array class does not get loaded during getField,
hashCode, and equals.
geode-core/src/integrationTest/java/org/apache/geode/pdx/PdxInstanceFactoryJUnitTest.java