### Question:
StaffToStudentCohortProgramAssociationValidator extends AbstractContextValidator { @Override public boolean canValidate(String entityType, boolean isTransitive) { return STUDENT_ASSOCIATIONS.contains(entityType) && isStaff(); }  @Override boolean canValidate(String entityType, boolean isTransitive); @Override Set<String> validate(String entityType, Set<String> ids); @Override SecurityUtil.UserContext getContext();  }### Answer:
@Test public void testCanValidate() { assertTrue(validator.canValidate(EntityNames.STUDENT_COHORT_ASSOCIATION, false)); assertTrue(validator.canValidate(EntityNames.STUDENT_COHORT_ASSOCIATION, true)); assertTrue(validator.canValidate(EntityNames.STUDENT_PROGRAM_ASSOCIATION, false)); assertTrue(validator.canValidate(EntityNames.STUDENT_PROGRAM_ASSOCIATION, true)); assertFalse(validator.canValidate(EntityNames.SECTION, true)); assertFalse(validator.canValidate(EntityNames.SECTION, false)); assertFalse(validator.canValidate(EntityNames.STUDENT_SECTION_ASSOCIATION, true)); assertFalse(validator.canValidate(EntityNames.STUDENT_SECTION_ASSOCIATION, false)); }