IsInner isInner = GWT.create(IsInner.class);
assertEquals(2, isInner.isInner());
// Inner Inner
InnerInner innerInner = GWT.create(InnerInner.class);
assertEquals(4.321, innerInner.innerInner(), .0001);
assertEquals("outer", innerInner.outer());
// Inner Inner Message
InnerInnerMessages innerInnerMessages = GWT.create(InnerInnerMessages.class);
assertEquals("I am a person",