### Question:
DecisionStorageEngine extends CommonsStorageEngine<IStratioStreamingAPI> { @Override protected void delete(TableName tableName, Collection<Filter> whereClauses, Connection<IStratioStreamingAPI> connection) throws UnsupportedException, ExecutionException { throw new UnsupportedException("Delete is not supported"); } DecisionStorageEngine(ConnectionHandler connectionHandler);   }### Answer:
@Test(expected = UnsupportedException.class) public void deleteTest() throws Exception { decisionStorageEngine.delete(Matchers.any(TableName.class), null, connection); }