assertTrue("process method should be abstract", Modifier.isAbstract(processMethod.getModifiers()));
            assertTrue("process method should be public", Modifier.isPublic(processMethod.getModifiers()));
        } catch (NoSuchMethodException e) {
            fail("process method should exist");
        }
    }

    // Test constructor
    @Test

    for (Method method : cls.getDeclaredMethods()) {
      Invokable<?, ?> invokable = Invokable.from(method);
      invokable.setAccessible(true);
      if (invokable.isPublic() && invokable.isStatic() && !invokable.isSynthetic()) {
        builder.add(invokable);
      }
    }
    return new FactoryMethodReturnValueTester(cls, builder.build(), "public static methods");
  }