disable delta test

Author: pan3793

Diff for: pom.xml

@@ -232,7 +232,7 @@
         <maven.plugin.frontend.version>1.12.1</maven.plugin.frontend.version>
         <maven.plugin.scala.version>4.9.2</maven.plugin.scala.version>
         <maven.plugin.scalatest.version>2.2.0</maven.plugin.scalatest.version>
-        <maven.plugin.scalatest.exclude.tags>org.scalatest.tags.Slow,org.apache.kyuubi.tags.IcebergTest,org.apache.kyuubi.tags.PaimonTest,org.apache.kyuubi.tags.HudiTest</maven.plugin.scalatest.exclude.tags>
+        <maven.plugin.scalatest.exclude.tags>org.scalatest.tags.Slow,org.apache.kyuubi.tags.DeltaTest,org.apache.kyuubi.tags.IcebergTest,org.apache.kyuubi.tags.PaimonTest,org.apache.kyuubi.tags.HudiTest</maven.plugin.scalatest.exclude.tags>
         <maven.plugin.scalatest.include.tags></maven.plugin.scalatest.include.tags>
         <maven.plugin.scalatest.debug.enabled>false</maven.plugin.scalatest.debug.enabled>
         <!-- TODO: Once we drop support for Java 8, we can consider upgrade spotless.version to 2.43.0. -->
@@ -2032,6 +2032,7 @@
                 <spark.version>4.0.0-preview2</spark.version>
                 <spark.binary.version>4.0</spark.binary.version>
                 <antlr4.version>4.13.1</antlr4.version>
+                <!-- TODO: update once Delta support Spark 4.0.0-preview2 -->
                 <delta.version>4.0.0rc1</delta.version>
                 <delta.artifact>delta-spark_${scala.binary.version}</delta.artifact>
                 <!-- TODO: update once Hudi support Spark 4.0 -->
@@ -2040,7 +2041,7 @@
                 <iceberg.artifact>iceberg-spark-runtime-3.5_${scala.binary.version}</iceberg.artifact>
                 <!-- TODO: update once Paimon support Spark 4.0 -->
                 <paimon.artifact>paimon-spark-3.5</paimon.artifact>
-                <maven.plugin.scalatest.exclude.tags>org.scalatest.tags.Slow,org.apache.kyuubi.tags.IcebergTest,org.apache.kyuubi.tags.PaimonTest,org.apache.kyuubi.tags.HudiTest</maven.plugin.scalatest.exclude.tags>
+                <maven.plugin.scalatest.exclude.tags>org.scalatest.tags.Slow,org.apache.kyuubi.tags.DeltaTest,org.apache.kyuubi.tags.IcebergTest,org.apache.kyuubi.tags.PaimonTest,org.apache.kyuubi.tags.HudiTest</maven.plugin.scalatest.exclude.tags>
                 <spark.archive.mirror>https://dist.apache.org/repos/dist/dev/spark/v4.0.0-preview2-rc1-bin</spark.archive.mirror>
                 <spark.archive.name>spark-${spark.version}-bin-hadoop3.tgz</spark.archive.name>
             </properties>