try {
          Object instance = tester.instantiate(classToTest);
          if (instance != null) {
            if (isEqualsDefined(classToTest)) {
              SerializableTester.reserializeAndAssert(instance);
            } else {
              SerializableTester.reserialize(instance);
            }
          }
        } catch (Throwable e) {

        try {
          Object instance = tester.instantiate(classToTest);
          if (instance != null) {
            if (isEqualsDefined(classToTest)) {
              SerializableTester.reserializeAndAssert(instance);
            } else {
              SerializableTester.reserialize(instance);
            }
          }
        } catch (Throwable e) {

          // If the factory returns null, we just skip it.
        }
        Object instance = instantiate(factory);
        if (instance != null) {
          try {
            SerializableTester.reserializeAndAssert(instance);
          } catch (Exception e) { // sneaky checked exception
            throw new AssertionError(
                "Serialization failed on return value of " + factory, e.getCause());