test("array_contains") {
    withSQLConf(CometConf.COMET_EXPR_ALLOW_INCOMPATIBLE.key -> "true") {
      withTempDir { dir =>
        val path = new Path(dir.toURI.toString, "test.parquet")
        makeParquetFileAllTypes(path, dictionaryEnabled = false, n = 10000)
        spark.read.parquet(path.toString).createOrReplaceTempView("t1");
        checkSparkAnswerAndOperator(
          spark.sql("SELECT array_contains(array(_2, _3, _4), _2) FROM t1"))
        checkSparkAnswerAndOperator(
          spark.sql("SELECT array_contains((CASE WHEN _2 =_3 THEN array(_4) END), _4) FROM t1"));
        checkSparkAnswerAndOperator(spark.sql("SELECT array_contains(cast(array() as array<int>), _2) FROM t1"))
      }
    }
  }

Expected only Comet native operators, but found Project.