@Test
  public void testCheckForLeadUnit_NoneFound() {
    Assert.assertTrue(
        "No lead unit was found", rule.checkForLeadUnitForPI(award.getProjectPersons()));

    piPerson.getUnit(0).setLeadUnit(false);
    Assert.assertFalse(
        "No lead unit should have been found",
        rule.checkForLeadUnitForPI(award.getProjectPersons()));

    checkErrorState(
        AwardProjectPersonsSaveRule.AWARD_PROJECT_PERSON_LIST_ERROR_KEY,
        AwardProjectPersonsSaveRule.ERROR_AWARD_PROJECT_PERSON_LEAD_UNIT_REQUIRED);
  }