### Question:
EhContainsFF extends GenericFilterFunction { @Override public boolean isDisjoint() { return false; }  @Override boolean isDisjoint(); @Override boolean isDisconnected();  }### Answer:
@Test public void testIsDisjoint() { EhContainsFF instance = new EhContainsFF(); boolean expResult = false; boolean result = instance.isDisjoint(); assertEquals(expResult, result); }