public DdlCommandResult execute(
      final String sql,
      final DdlCommand ddlCommand,
      final boolean withQuery,
      final Set<SourceName> withQuerySources
  ) {
    return execute(sql, ddlCommand, withQuery, withQuerySources, false);
  }
@Test
  public void shouldAddSinkStream() {
    // Given:
    givenCreateStream();

    // When:
    cmdExec.execute(SQL_TEXT, createStream, true, NO_QUERY_SOURCES);

    // Then:
    assertThat(metaStore.getSource(STREAM_NAME).isCasTarget(), is(true));
  }