diff --git a/presto-iceberg/src/test/java/com/facebook/presto/iceberg/TestIcebergSystemTables.java b/presto-iceberg/src/test/java/com/facebook/presto/iceberg/TestIcebergSystemTables.java
index 15d09ddfd9bc..271137a0e52f 100644
--- a/presto-iceberg/src/test/java/com/facebook/presto/iceberg/TestIcebergSystemTables.java
+++ b/presto-iceberg/src/test/java/com/facebook/presto/iceberg/TestIcebergSystemTables.java
@@ -164,7 +164,7 @@ public void testSnapshotsTable()
                         "('manifest_list', 'varchar', '', '')," +
                         "('summary', 'map(varchar, varchar)', '', '')");
 
-        assertQuery("SELECT operation FROM test_schema.\"test_table$snapshots\"", "VALUES 'append', 'append'");
+        assertQuery("SELECT operation FROM test_schema.\"test_table$snapshots\"", "VALUES 'overwrite', 'overwrite'");
         assertQuery("SELECT summary['total-records'] FROM test_schema.\"test_table$snapshots\"", "VALUES '3', '6'");
     }
 
@@ -258,14 +258,16 @@ protected void checkTableProperties(String tableName, String deleteMode)
     {
         assertQuery(String.format("SHOW COLUMNS FROM test_schema.\"%s$properties\"", tableName),
                 "VALUES ('key', 'varchar', '', '')," + "('value', 'varchar', '', '')");
-        assertQuery(String.format("SELECT COUNT(*) FROM test_schema.\"%s$properties\"", tableName), "VALUES 7");
+        assertQuery(String.format("SELECT COUNT(*) FROM test_schema.\"%s$properties\"", tableName), "VALUES 8");
         List<MaterializedRow> materializedRows = computeActual(getSession(),
                 String.format("SELECT * FROM test_schema.\"%s$properties\"", tableName)).getMaterializedRows();
 
-        assertThat(materializedRows).hasSize(7);
+        assertThat(materializedRows).hasSize(8);
         assertThat(materializedRows)
                 .anySatisfy(row -> assertThat(row)
                         .isEqualTo(new MaterializedRow(MaterializedResult.DEFAULT_PRECISION, "write.delete.mode", deleteMode)))
+                .anySatisfy(row -> assertThat(row)
+                        .isEqualTo(new MaterializedRow(MaterializedResult.DEFAULT_PRECISION, "write.update.mode", deleteMode)))
                 .anySatisfy(row -> assertThat(row)
                         .isEqualTo(new MaterializedRow(MaterializedResult.DEFAULT_PRECISION, "write.format.default", "PARQUET")))
                 .anySatisfy(row -> assertThat(row)
@@ -284,14 +286,16 @@ protected void checkORCFormatTableProperties(String tableName, String deleteMode
     {
         assertQuery(String.format("SHOW COLUMNS FROM test_schema.\"%s$properties\"", tableName),
                 "VALUES ('key', 'varchar', '', '')," + "('value', 'varchar', '', '')");
-        assertQuery(String.format("SELECT COUNT(*) FROM test_schema.\"%s$properties\"", tableName), "VALUES 8");
+        assertQuery(String.format("SELECT COUNT(*) FROM test_schema.\"%s$properties\"", tableName), "VALUES 9");
         List<MaterializedRow> materializedRows = computeActual(getSession(),
                 String.format("SELECT * FROM test_schema.\"%s$properties\"", tableName)).getMaterializedRows();
 
-        assertThat(materializedRows).hasSize(8);
+        assertThat(materializedRows).hasSize(9);
         assertThat(materializedRows)
                 .anySatisfy(row -> assertThat(row)
                         .isEqualTo(new MaterializedRow(MaterializedResult.DEFAULT_PRECISION, "write.delete.mode", deleteMode)))
+                .anySatisfy(row -> assertThat(row)
+                        .isEqualTo(new MaterializedRow(MaterializedResult.DEFAULT_PRECISION, "write.update.mode", deleteMode)))
                 .anySatisfy(row -> assertThat(row)
                         .isEqualTo(new MaterializedRow(MaterializedResult.DEFAULT_PRECISION, "write.format.default", "ORC")))
                 .anySatisfy(row -> assertThat(row)