test("test lookup map by a key") {
    withSQLConf(
      CometConf.COMET_EXEC_ENABLED.key -> "true",
      SQLConf.USE_V1_SOURCE_LIST.key -> "parquet",
      CometConf.COMET_ENABLED.key -> "true",
      CometConf.COMET_EXPLAIN_FALLBACK_ENABLED.key -> "false",
      CometConf.COMET_NATIVE_SCAN_IMPL.key -> "native_datafusion") {

      testSingleLineQuery(
        """
          | select map(str0, str1) c0 from
          | (
          |    select 'key0' str0, named_struct('a', 1, 'b', 'str') str1
          | )
          |""".stripMargin,
        "select c0['key0'].a from tbl")
    }
  }

org.scalatest.exceptions.TestFailedException: Expected only Comet native operators, but found Project.