@Test
public void enlargeStreamTest() throws ServiceException {

    createBaseStream();
    Assert.assertEquals("Expected value not found", 1, sm.getStreamDefinitions().size());
    Assert.assertEquals("Expected value not found", 6,
            sm.getStreamDefinitions().get(0).getAttributeList().size());
    List<ColumnNameTypeValue> columns = new ArrayList<>();
    columns.add(new ColumnNameTypeValue("col7", ColumnType.INTEGER, null));
    streamOperationService.enlargeStream(STREAM_NAME_GOOD, columns);
    Assert.assertEquals("Expected value not found", 1, sm.getStreamDefinitions().size());
    Assert.assertEquals("Expected value not found", 7,
            sm.getStreamDefinitions().get(0).getAttributeList().size());
}