diff --git a/src/test/tinc/tincrepo/dml/functional/sql/changedistpolicy_dml_pttab_timestamptz.sql b/src/test/tinc/tincrepo/dml/functional/sql/changedistpolicy_dml_pttab_timestamptz.sql
index e8db5999e2e6592ea05c88059cb1b789ae82f85f..84ee4e85c3d71cb56c56985c4f8abae17cfd8d12 100644
--- a/src/test/tinc/tincrepo/dml/functional/sql/changedistpolicy_dml_pttab_timestamptz.sql
+++ b/src/test/tinc/tincrepo/dml/functional/sql/changedistpolicy_dml_pttab_timestamptz.sql
@@ -5,7 +5,6 @@
 -- @product_version gpdb: [4.3-]
 -- @optimizer_mode on	
 -- @description Tests for MPP-21090
--- @skip #140373273
 \echo --start_ignore
 set gp_enable_column_oriented_table=on;
 \echo --end_ignore
diff --git a/src/test/tinc/tincrepo/dml/functional/sql/changedistpolicy_dml_regtab_random_timestamptz.sql b/src/test/tinc/tincrepo/dml/functional/sql/changedistpolicy_dml_regtab_random_timestamptz.sql
index 2dd26a6d39c3e119cf0eff8c115525b54e23016d..1f3db5682f354c1e5c18ace90d8396d60b234a09 100644
--- a/src/test/tinc/tincrepo/dml/functional/sql/changedistpolicy_dml_regtab_random_timestamptz.sql
+++ b/src/test/tinc/tincrepo/dml/functional/sql/changedistpolicy_dml_regtab_random_timestamptz.sql
@@ -5,7 +5,6 @@
 -- @product_version gpdb: [4.3-]
 -- @optimizer_mode on	
 -- @description Tests for MPP-21090
--- @skip #140373273
 \echo --start_ignore
 set gp_enable_column_oriented_table=on;
 \echo --end_ignore
diff --git a/src/test/tinc/tincrepo/dml/functional/sql/changedistpolicy_dml_regtab_timestamptz.sql b/src/test/tinc/tincrepo/dml/functional/sql/changedistpolicy_dml_regtab_timestamptz.sql
index e4e552e55bf1ae11c8e82a7af20a798b8dd4364e..836bc59ab8107f14414f172dd0ab4017a7a793c5 100644
--- a/src/test/tinc/tincrepo/dml/functional/sql/changedistpolicy_dml_regtab_timestamptz.sql
+++ b/src/test/tinc/tincrepo/dml/functional/sql/changedistpolicy_dml_regtab_timestamptz.sql
@@ -5,7 +5,6 @@
 -- @product_version gpdb: [4.3-]
 -- @optimizer_mode on	
 -- @description Tests for MPP-21090
--- @skip #140373273
 \echo --start_ignore
 set gp_enable_column_oriented_table=on;
 \echo --end_ignore
diff --git a/src/test/tinc/tincrepo/dml/functional/sql/colalias_dml_timestamptz.sql b/src/test/tinc/tincrepo/dml/functional/sql/colalias_dml_timestamptz.sql
index 58e3c9c6e771bbfae4034db86cf715112509d3a3..b5164f46d3152319ee07a86ee35df9e88b921cb3 100644
--- a/src/test/tinc/tincrepo/dml/functional/sql/colalias_dml_timestamptz.sql
+++ b/src/test/tinc/tincrepo/dml/functional/sql/colalias_dml_timestamptz.sql
@@ -5,7 +5,6 @@
 -- @product_version gpdb: [4.3-]
 -- @optimizer_mode on	
 -- @description Tests for MPP-21090
--- @skip #140373273
 \echo --start_ignore
 set gp_enable_column_oriented_table=on;
 \echo --end_ignore
diff --git a/src/test/tinc/tincrepo/dml/functional/sql/dml_boundary_timestamptz.sql b/src/test/tinc/tincrepo/dml/functional/sql/dml_boundary_timestamptz.sql
index 9344ad60092ae6f191e2d837b02bf8e5657dde1f..b59e8fc5af12e6e93d92fef9fa2584d9e95dfcd3 100644
--- a/src/test/tinc/tincrepo/dml/functional/sql/dml_boundary_timestamptz.sql
+++ b/src/test/tinc/tincrepo/dml/functional/sql/dml_boundary_timestamptz.sql
@@ -4,7 +4,6 @@
 -- @tags dml 
 -- @db_name dmldb
 -- @description test: Boundary test for timestamptz
--- @skip #140373273
 \echo --start_ignore
 set gp_enable_column_oriented_table=on;
 \echo --end_ignore
diff --git a/src/test/tinc/tincrepo/dml/functional/sql/setup/timezone.sql b/src/test/tinc/tincrepo/dml/functional/sql/setup/timezone.sql
new file mode 100644
index 0000000000000000000000000000000000000000..3d351523c40eea70d37fee52597a1be86df85da6
--- /dev/null
+++ b/src/test/tinc/tincrepo/dml/functional/sql/setup/timezone.sql
@@ -0,0 +1 @@
+ALTER DATABASE dmldb SET timezone TO PST8;