### Question:
DuplicateChangeSetException extends LiquibaseException { public DuplicateChangeSetException(String message) { super(message); } DuplicateChangeSetException(String message);   }### Answer:
@Test public void duplicateChangeSetException() throws Exception { DuplicateChangeSetException duplicateChangeSetException = new DuplicateChangeSetException("MESSAGE HERE"); assertEquals("MESSAGE HERE", duplicateChangeSetException.getMessage()); }