src/main/java/org/fest/assertions/ListAssert.java
@Override
  protected @Nullable Set<Object> actualAsSet() {
    return actual == null ? null : newLinkedHashSet(actual.toArray());
  }
@Override
  protected @Nullable Set<Object> actualAsSet() {
    return actual == null ? null : newLinkedHashSet(actual.toArray());
  }
{@inheritDoc}