@Test
public void verifyCreationOnly()
{

    accumulator.partitionEvents( createEvents( 5 ), ImportStrategy.CREATE, new ArrayMap<>() );
    assertAccumulator( 5, 0, 0 );
    reset();
    accumulator.partitionEvents( createEvents( 5 ), ImportStrategy.CREATE,
        createProgramStageInstances( "a", "b" ) );
    assertAccumulator( 5, 0, 0 );
    reset();
    accumulator.partitionEvents( createEvents( 5 ), ImportStrategy.NEW, new ArrayMap<>() );
    assertAccumulator( 5, 0, 0 );
}