[KYUUBI #6941] Test Add new Column for paimon

### Why are the changes needed?

Cuurently, ranger check test case missing check paimon add new column command, add it.
#6941

### How was this patch tested?

Test Add New Column for paimin with ranger

### Was this patch authored or co-authored using generative AI tooling?

No

This patch had conflicts when merged, resolved by
Committer: Cheng Pan <[email protected]>

Closes #6945 from davidyuan1223/test_add_new_column_for_paimon.

Closes #6941

f865e13 [davidyuan] test add new column

Authored-by: davidyuan <[email protected]>
Signed-off-by: Cheng Pan <[email protected]>

Author: davidyuan1223

extensions/spark/kyuubi-spark-authz/src/test/scala/org/apache/kyuubi/plugin/spark/authz/ranger/PaimonCatalogRangerSparkExtensionSuite.scala

@@ -255,6 +255,25 @@ class PaimonCatalogRangerSparkExtensionSuite extends RangerSparkExtensionSuite {
     }
   }
 
+  test("Add New Column") {
+    withCleanTmpResources(Seq(
+      (s"$catalogV2.$namespace1.$table1", "table"))) {
+      val createTable = createTableSql(namespace1, table1)
+      doAs(admin, sql(createTable))
+      val alterTableSql =
+        s"""
+           |ALTER TABLE $catalogV2.$namespace1.$table1
+           |ADD COLUMNS (
+           |  city STRING
+           |)
+           |""".stripMargin
+      interceptEndsWith[AccessControlException] {
+        doAs(someone, sql(alterTableSql))
+      }(s"does not have [alter] privilege on [$namespace1/$table1]")
+      doAs(admin, sql(alterTableSql))
+    }
+  }
+
   test("Adding Column Position") {
     withCleanTmpResources(Seq(
       (s"$catalogV2.$namespace1.$table1", "table"))) {