RussellSpitzer commented on code in PR #12494:
URL: https://github.com/apache/iceberg/pull/12494#discussion_r2047246939


##########
spark/v4.0/spark/src/test/java/org/apache/iceberg/spark/actions/TestComputeTableStatsAction.java:
##########
@@ -392,7 +392,13 @@ private Dataset<Row> randomDataDF(Schema schema) {
     Iterable<InternalRow> rows = RandomData.generateSpark(schema, 10, 0);
     JavaRDD<InternalRow> rowRDD = 
sparkContext.parallelize(Lists.newArrayList(rows));
     StructType rowSparkType = SparkSchemaUtil.convert(schema);
-    return spark.internalCreateDataFrame(JavaRDD.toRDD(rowRDD), rowSparkType, 
false);
+    if (!(spark instanceof org.apache.spark.sql.classic.SparkSession)) {
+      throw new IllegalArgumentException(
+          "spark is supposed to be org.apache.spark.sql.classic.SparkSession");

Review Comment:
   Error message again



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