experiment: what tests still fail with native_datafusion scan

Author: andygrove

spark/src/main/scala/org/apache/comet/rules/CometScanRule.scala

@@ -167,11 +167,7 @@ case class CometScanRule(session: SparkSession)
         }
 
         COMET_NATIVE_SCAN_IMPL.get() match {
-          case SCAN_AUTO =>
-            // TODO add support for native_datafusion in the future
-            nativeIcebergCompatScan(session, scanExec, r, hadoopConf)
-              .getOrElse(scanExec)
-          case SCAN_NATIVE_DATAFUSION =>
+          case SCAN_AUTO | SCAN_NATIVE_DATAFUSION =>
             nativeDataFusionScan(plan, session, scanExec, r, hadoopConf).getOrElse(scanExec)
           case SCAN_NATIVE_ICEBERG_COMPAT =>
             nativeIcebergCompatScan(session, scanExec, r, hadoopConf).getOrElse(scanExec)