### Question:
ListSelectorHeaderItemViewImpl implements ListSelectorHeaderItemView { @Override public void setText(final String text) { this.text.setTextContent(text); } ListSelectorHeaderItemViewImpl(); @Inject  ListSelectorHeaderItemViewImpl(final Span text, final Icon icon); @Override void setText(final String text); @Override void setIconClass(final String iconClass);  }### Answer:
@Test public void testSetText() { final String text = "TEXT"; headerItemView.setText(text); verify(this.text).setTextContent(text); }