### Question:
PendingReferenceCheck { public synchronized void skip() { if ( engine != null ) { ConsistencyReporter.dispatchSkip( engine ); engine = null; } } PendingReferenceCheck( CheckerEngine engine, ComparativeRecordChecker checker ); @Override synchronized String toString(); void checkReference( REFERENCED referenced, RecordAccess records ); void checkDiffReference( REFERENCED oldReferenced, REFERENCED newReferenced, RecordAccess records ); synchronized void skip();  }### Answer:
@Test void shouldAllowSkipAfterSkip() { referenceCheck.skip(); referenceCheck.skip(); }