### Question:
WrappingSimpleCollection implements SimpleCollection<E> { @Override public boolean isEmpty() { return delegateCollection.isEmpty(); } WrappingSimpleCollection(Collection<E> delegateCollection); @Override int size(); @Override boolean isEmpty(); @Override Iterator<E> iterator(); @Override Iterator<E> structuralIterator(); @Override Stream<E> stream();  }### Answer:
@Test public void isEmpty() { assertFalse(simpleCollection.isEmpty()); }