diff --git a/.travis.yml b/.travis.yml
index 26b2bc4e2..a7dae2ed1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -37,6 +37,7 @@ env:
 #    - PG_VERSION=13 PG_BRANCH=REL_13_STABLE PTRACK_PATCH_PG_BRANCH=OFF MODE=archive
 #    - PG_VERSION=13 PG_BRANCH=REL_13_STABLE PTRACK_PATCH_PG_BRANCH=REL_13_STABLE MODE=backup
 #    - PG_VERSION=13 PG_BRANCH=REL_13_STABLE PTRACK_PATCH_PG_BRANCH=REL_13_STABLE MODE=catchup
+#    - PG_VERSION=13 PG_BRANCH=REL_13_STABLE PTRACK_PATCH_PG_BRANCH=REL_13_STABLE MODE=checkdb
 #    - PG_VERSION=13 PG_BRANCH=REL_13_STABLE PTRACK_PATCH_PG_BRANCH=OFF MODE=compression
 #    - PG_VERSION=13 PG_BRANCH=REL_13_STABLE PTRACK_PATCH_PG_BRANCH=OFF MODE=delta
 #    - PG_VERSION=13 PG_BRANCH=REL_13_STABLE PTRACK_PATCH_PG_BRANCH=OFF MODE=locking
@@ -52,6 +53,7 @@ env:
 jobs:
     allow_failures:
         - if: env(PG_BRANCH) = master
+        - if: env(PG_BRANCH) = REL_15_STABLE
         - if: env(PG_BRANCH) = REL9_5_STABLE
 #        - if: env(MODE) IN (archive, backup, delta, locking, merge, replica, retention, restore)
 
diff --git a/tests/backup.py b/tests/backup.py
index 7d02f5b39..c5235120e 100644
--- a/tests/backup.py
+++ b/tests/backup.py
@@ -1889,8 +1889,7 @@ def test_backup_with_least_privileges_role(self):
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_start_backup(text, boolean) TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_stop_backup() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.txid_current_snapshot() TO backup; "
-                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;"
-            )
+                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;")
         # PG 9.6
         elif self.get_version(node) > 90600 and self.get_version(node) < 100000:
             node.safe_psql(
@@ -1928,9 +1927,7 @@ def test_backup_with_least_privileges_role(self):
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_switch_xlog() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_last_xlog_replay_location() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.txid_current_snapshot() TO backup; "
-                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;"
-                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_edition() TO backup;"
-            )
+                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;")
         # >= 10
         else:
             node.safe_psql(
@@ -1967,9 +1964,7 @@ def test_backup_with_least_privileges_role(self):
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_switch_wal() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_last_wal_replay_lsn() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.txid_current_snapshot() TO backup; "
-                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;"
-                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_edition() TO backup;"
-            )
+                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;")
 
         if self.ptrack:
             node.safe_psql(
@@ -1982,10 +1977,10 @@ def test_backup_with_least_privileges_role(self):
                 "GRANT EXECUTE ON FUNCTION ptrack.ptrack_init_lsn() TO backup;")
 
         if ProbackupTest.enterprise:
-
             node.safe_psql(
                 "backupdb",
-                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_version() TO backup")
+                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_version() TO backup; "
+                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_edition() TO backup;")
 
         # FULL backup
         self.backup_node(
@@ -2245,7 +2240,6 @@ def test_backup_with_less_privileges_role(self):
         if self.get_version(node) < 90600:
             node.safe_psql(
                 'backupdb',
-                "BEGIN; "
                 "CREATE ROLE backup WITH LOGIN; "
                 "GRANT USAGE ON SCHEMA pg_catalog TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.current_setting(text) TO backup; "
@@ -2256,14 +2250,11 @@ def test_backup_with_less_privileges_role(self):
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_switch_xlog() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.txid_current() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.txid_current_snapshot() TO backup; "
-                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup; "
-                "COMMIT;"
-            )
+                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;")
         # PG 9.6
         elif self.get_version(node) > 90600 and self.get_version(node) < 100000:
             node.safe_psql(
                 'backupdb',
-                "BEGIN; "
                 "CREATE ROLE backup WITH LOGIN; "
                 "GRANT USAGE ON SCHEMA pg_catalog TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.current_setting(text) TO backup; "
@@ -2275,14 +2266,11 @@ def test_backup_with_less_privileges_role(self):
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_last_xlog_replay_location() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.txid_current() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.txid_current_snapshot() TO backup; "
-                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup; "
-                "COMMIT;"
-            )
+                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;")
         # >= 10
         else:
             node.safe_psql(
                 'backupdb',
-                "BEGIN; "
                 "CREATE ROLE backup WITH LOGIN; "
                 "GRANT USAGE ON SCHEMA pg_catalog TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.current_setting(text) TO backup; "
@@ -2294,9 +2282,7 @@ def test_backup_with_less_privileges_role(self):
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_last_wal_replay_lsn() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.txid_current() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.txid_current_snapshot() TO backup; "
-                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup; "
-                "COMMIT;"
-            )
+                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;")
 
         # enable STREAM backup
         node.safe_psql(
@@ -3067,9 +3053,7 @@ def test_missing_replication_permission(self):
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_switch_xlog() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_last_xlog_replay_location() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.txid_current_snapshot() TO backup; "
-                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;"
-                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_edition() TO backup;"
-                )
+                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;")
         # >= 10
         else:
             node.safe_psql(
@@ -3091,15 +3075,14 @@ def test_missing_replication_permission(self):
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_switch_wal() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_last_wal_replay_lsn() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.txid_current_snapshot() TO backup; "
-                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;"
-                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_edition() TO backup;"
-            )
+                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;")
 
         if ProbackupTest.enterprise:
             node.safe_psql(
                 "backupdb",
-                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_version() TO backup")
-        
+                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_version() TO backup; "
+                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_edition() TO backup;")
+
         sleep(2)
         replica.promote()
 
@@ -3177,8 +3160,7 @@ def test_missing_replication_permission_1(self):
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_start_backup(text, boolean) TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_stop_backup() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.txid_current_snapshot() TO backup; "
-                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;"
-            )
+                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;")
         # PG 9.6
         elif self.get_version(node) > 90600 and self.get_version(node) < 100000:
             node.safe_psql(
@@ -3201,9 +3183,7 @@ def test_missing_replication_permission_1(self):
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_switch_xlog() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_last_xlog_replay_location() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.txid_current_snapshot() TO backup; "
-                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;"
-                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_edition() TO backup;"
-            )
+                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;")
         # >= 10
         else:
             node.safe_psql(
@@ -3225,15 +3205,13 @@ def test_missing_replication_permission_1(self):
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_switch_wal() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_last_wal_replay_lsn() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.txid_current_snapshot() TO backup; "
-                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;"
-                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_edition() TO backup;"
-                
-            )
+                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;")
 
         if ProbackupTest.enterprise:
             node.safe_psql(
                 "backupdb",
-                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_version() TO backup")
+                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_version() TO backup; "
+                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_edition() TO backup;")
 
         replica.promote()
 
diff --git a/tests/checkdb.py b/tests/checkdb.py
index 2df946cf6..bcda0fb23 100644
--- a/tests/checkdb.py
+++ b/tests/checkdb.py
@@ -666,8 +666,8 @@ def test_checkdb_with_least_privileges(self):
                 'GRANT EXECUTE ON FUNCTION pg_catalog.pg_is_in_recovery() TO backup; '
                 'GRANT EXECUTE ON FUNCTION pg_catalog.string_to_array(text, text) TO backup; '
                 'GRANT EXECUTE ON FUNCTION pg_catalog.array_position(anyarray, anyelement) TO backup; '
-                'GRANT EXECUTE ON FUNCTION bt_index_check(regclass, bool) TO backup;' # amcheck-next function
-            )
+                'GRANT EXECUTE ON FUNCTION bt_index_check(regclass, bool) TO backup;') # amcheck-next function
+
         # PG 9.6
         elif self.get_version(node) > 90600 and self.get_version(node) < 100000:
             node.safe_psql(
@@ -696,9 +696,8 @@ def test_checkdb_with_least_privileges(self):
                 'GRANT EXECUTE ON FUNCTION pg_catalog.string_to_array(text, text) TO backup; '
                 'GRANT EXECUTE ON FUNCTION pg_catalog.array_position(anyarray, anyelement) TO backup; '
 #                'GRANT EXECUTE ON FUNCTION bt_index_check(regclass) TO backup; '
-                'GRANT EXECUTE ON FUNCTION bt_index_check(regclass, bool) TO backup;'
-                'GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_edition() TO backup; '
-            )
+                'GRANT EXECUTE ON FUNCTION bt_index_check(regclass, bool) TO backup;')
+
         # PG 10
         elif self.get_version(node) > 100000 and self.get_version(node) < 110000:
             node.safe_psql(
@@ -726,10 +725,8 @@ def test_checkdb_with_least_privileges(self):
                 'GRANT EXECUTE ON FUNCTION pg_catalog.pg_control_system() TO backup; '
                 'GRANT EXECUTE ON FUNCTION pg_catalog.string_to_array(text, text) TO backup; '
                 'GRANT EXECUTE ON FUNCTION pg_catalog.array_position(anyarray, anyelement) TO backup;'
-                'GRANT EXECUTE ON FUNCTION bt_index_check(regclass) TO backup; '
-                'GRANT EXECUTE ON FUNCTION bt_index_check(regclass, bool) TO backup;'
-                'GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_edition() TO backup; '
-            )
+                'GRANT EXECUTE ON FUNCTION bt_index_check(regclass) TO backup;')
+
             if ProbackupTest.enterprise:
                 # amcheck-1.1
                 node.safe_psql(
@@ -768,9 +765,8 @@ def test_checkdb_with_least_privileges(self):
                 'GRANT EXECUTE ON FUNCTION pg_catalog.string_to_array(text, text) TO backup; '
                 'GRANT EXECUTE ON FUNCTION pg_catalog.array_position(anyarray, anyelement) TO backup; '
                 'GRANT EXECUTE ON FUNCTION bt_index_check(regclass) TO backup; '
-                'GRANT EXECUTE ON FUNCTION bt_index_check(regclass, bool) TO backup;'
-                'GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_edition() TO backup; '
-            )
+                'GRANT EXECUTE ON FUNCTION bt_index_check(regclass, bool) TO backup;')
+
             # checkunique parameter
             if ProbackupTest.enterprise:
                 if (self.get_version(node) >= 111300 and self.get_version(node) < 120000
@@ -807,15 +803,20 @@ def test_checkdb_with_least_privileges(self):
                 'GRANT EXECUTE ON FUNCTION pg_catalog.string_to_array(text, text) TO backup; '
                 'GRANT EXECUTE ON FUNCTION pg_catalog.array_position(anycompatiblearray, anycompatible) TO backup; '
                 'GRANT EXECUTE ON FUNCTION bt_index_check(regclass) TO backup; '
-                'GRANT EXECUTE ON FUNCTION bt_index_check(regclass, bool) TO backup;'
-                'GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_edition() TO backup; '
-            )
+                'GRANT EXECUTE ON FUNCTION bt_index_check(regclass, bool) TO backup;')
+
             # checkunique parameter
             if ProbackupTest.enterprise:
                 node.safe_psql(
                     "backupdb",
                     "GRANT EXECUTE ON FUNCTION bt_index_check(regclass, bool, bool) TO backup")
 
+        if ProbackupTest.enterprise:
+            node.safe_psql(
+                'backupdb',
+                'GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_version() TO backup; '
+                'GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_edition() TO backup;')
+
         # checkdb
         try:
             self.checkdb_node(
diff --git a/tests/restore.py b/tests/restore.py
index 37f133573..b619078d5 100644
--- a/tests/restore.py
+++ b/tests/restore.py
@@ -3230,8 +3230,7 @@ def test_missing_database_map(self):
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_start_backup(text, boolean) TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_stop_backup() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.txid_current_snapshot() TO backup; "
-                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;"
-            )
+                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;")
         # PG 9.6
         elif self.get_version(node) > 90600 and self.get_version(node) < 100000:
             node.safe_psql(
@@ -3269,9 +3268,7 @@ def test_missing_database_map(self):
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_switch_xlog() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_last_xlog_replay_location() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.txid_current_snapshot() TO backup; "
-                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;"
-                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_edition() TO backup;"
-            )
+                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;")
         # >= 10
         else:
             node.safe_psql(
@@ -3307,9 +3304,7 @@ def test_missing_database_map(self):
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_switch_wal() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.pg_last_wal_replay_lsn() TO backup; "
                 "GRANT EXECUTE ON FUNCTION pg_catalog.txid_current_snapshot() TO backup; "
-                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;"
-                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_edition() TO backup;"
-            )
+                "GRANT EXECUTE ON FUNCTION pg_catalog.txid_snapshot_xmax(txid_snapshot) TO backup;")
 
         if self.ptrack:
             # TODO why backup works without these grants ?
@@ -3326,7 +3321,8 @@ def test_missing_database_map(self):
 
             node.safe_psql(
                 "backupdb",
-                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_version() TO backup")
+                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_version() TO backup; "
+                "GRANT EXECUTE ON FUNCTION pg_catalog.pgpro_edition() TO backup;")
 
         # FULL backup without database_map
         backup_id = self.backup_node(

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