diff --git a/src/test/regress/expected/isolation_ensure_dependency_activate_node.out b/src/test/regress/expected/isolation_ensure_dependency_activate_node.out
index ab76d8596..980cf3a82 100644
--- a/src/test/regress/expected/isolation_ensure_dependency_activate_node.out
+++ b/src/test/regress/expected/isolation_ensure_dependency_activate_node.out
@@ -1235,7 +1235,7 @@ master_remove_node
 (2 rows)
 
 
-starting permutation: s1-print-distributed-objects s1-add-worker s2-create-schema s2-begin s3-begin s3-use-schema s2-create-table s3-create-table s2-commit s3-commit s2-print-distributed-objects s3-drop-coordinator-schemas
+starting permutation: s1-print-distributed-objects s2-create-table-for-colocation s1-add-worker s2-create-schema s2-begin s3-begin s3-use-schema s2-create-table s3-create-table s2-commit s3-commit s2-print-distributed-objects s3-drop-coordinator-schemas
 ?column?
 ---------------------------------------------------------------------
        1
@@ -1306,6 +1306,16 @@ master_remove_node
 
 (1 row)
 
+step s2-create-table-for-colocation:
+    CREATE SCHEMA col_schema;
+    CREATE TABLE col_schema.col_tbl (a INT, b INT);
+    SELECT create_distributed_table('col_schema.col_tbl', 'a');
+
+create_distributed_table
+---------------------------------------------------------------------
+
+(1 row)
+
 step s1-add-worker:
     SELECT 1 FROM master_add_node('localhost', 57638);
 
@@ -1372,11 +1382,13 @@ pg_identify_object_as_address
 ---------------------------------------------------------------------
 (database,{regression},{})
 (role,{postgres},{})
+(schema,{col_schema},{})
 (schema,{myschema},{})
 (schema,{public},{})
+(table,"{col_schema,col_tbl}",{})
 (table,"{myschema,t1}",{})
 (table,"{myschema,t2}",{})
-(6 rows)
+(8 rows)
 
 count
 ---------------------------------------------------------------------
@@ -2139,7 +2151,7 @@ master_remove_node
 (2 rows)
 
 
-starting permutation: s1-print-distributed-objects s1-begin s1-add-worker s2-public-schema s2-distribute-function s1-commit s2-begin s2-commit s3-wait-for-metadata-sync s2-print-distributed-objects s3-drop-coordinator-schemas
+starting permutation: s1-print-distributed-objects s2-create-table-for-colocation s1-begin s1-add-worker s2-public-schema s2-distribute-function s1-commit s2-begin s2-commit s3-wait-for-metadata-sync s2-print-distributed-objects s3-drop-coordinator-schemas
 ?column?
 ---------------------------------------------------------------------
        1
@@ -2210,6 +2222,16 @@ master_remove_node
 
 (1 row)
 
+step s2-create-table-for-colocation:
+    CREATE SCHEMA col_schema;
+    CREATE TABLE col_schema.col_tbl (a INT, b INT);
+    SELECT create_distributed_table('col_schema.col_tbl', 'a');
+
+create_distributed_table
+---------------------------------------------------------------------
+
+(1 row)
+
 step s1-begin:
     BEGIN;
 
@@ -2269,8 +2291,10 @@ pg_identify_object_as_address
 (database,{regression},{})
 (function,"{public,add}","{integer,integer}")
 (role,{postgres},{})
+(schema,{col_schema},{})
 (schema,{public},{})
-(4 rows)
+(table,"{col_schema,col_tbl}",{})
+(6 rows)
 
 count
 ---------------------------------------------------------------------
@@ -2322,7 +2346,7 @@ master_remove_node
 (2 rows)
 
 
-starting permutation: s1-print-distributed-objects s1-begin s2-public-schema s2-distribute-function s2-begin s2-commit s3-wait-for-metadata-sync s1-add-worker s1-commit s3-wait-for-metadata-sync s2-print-distributed-objects s3-drop-coordinator-schemas
+starting permutation: s1-print-distributed-objects s2-create-table-for-colocation s1-begin s2-public-schema s2-distribute-function s2-begin s2-commit s3-wait-for-metadata-sync s1-add-worker s1-commit s3-wait-for-metadata-sync s2-print-distributed-objects s3-drop-coordinator-schemas
 ?column?
 ---------------------------------------------------------------------
        1
@@ -2393,6 +2417,16 @@ master_remove_node
 
 (1 row)
 
+step s2-create-table-for-colocation:
+    CREATE SCHEMA col_schema;
+    CREATE TABLE col_schema.col_tbl (a INT, b INT);
+    SELECT create_distributed_table('col_schema.col_tbl', 'a');
+
+create_distributed_table
+---------------------------------------------------------------------
+
+(1 row)
+
 step s1-begin:
     BEGIN;
 
@@ -2459,8 +2493,10 @@ pg_identify_object_as_address
 (database,{regression},{})
 (function,"{public,add}","{integer,integer}")
 (role,{postgres},{})
+(schema,{col_schema},{})
 (schema,{public},{})
-(4 rows)
+(table,"{col_schema,col_tbl}",{})
+(6 rows)
 
 count
 ---------------------------------------------------------------------
@@ -2512,7 +2548,7 @@ master_remove_node
 (2 rows)
 
 
-starting permutation: s1-print-distributed-objects s2-begin s2-create-schema s2-distribute-function s2-commit s3-wait-for-metadata-sync s1-begin s1-add-worker s1-commit s3-wait-for-metadata-sync s2-print-distributed-objects s3-drop-coordinator-schemas
+starting permutation: s1-print-distributed-objects s2-create-table-for-colocation s2-begin s2-create-schema s2-distribute-function s2-commit s3-wait-for-metadata-sync s1-begin s1-add-worker s1-commit s3-wait-for-metadata-sync s2-print-distributed-objects s3-drop-coordinator-schemas
 ?column?
 ---------------------------------------------------------------------
        1
@@ -2583,6 +2619,16 @@ master_remove_node
 
 (1 row)
 
+step s2-create-table-for-colocation:
+    CREATE SCHEMA col_schema;
+    CREATE TABLE col_schema.col_tbl (a INT, b INT);
+    SELECT create_distributed_table('col_schema.col_tbl', 'a');
+
+create_distributed_table
+---------------------------------------------------------------------
+
+(1 row)
+
 step s2-begin:
     BEGIN;
 
@@ -2650,9 +2696,11 @@ pg_identify_object_as_address
 (database,{regression},{})
 (function,"{myschema,add}","{integer,integer}")
 (role,{postgres},{})
+(schema,{col_schema},{})
 (schema,{myschema},{})
 (schema,{public},{})
-(5 rows)
+(table,"{col_schema,col_tbl}",{})
+(7 rows)
 
 count
 ---------------------------------------------------------------------
diff --git a/src/test/regress/expected/isolation_ref_update_delete_upsert_vs_all_on_mx.out b/src/test/regress/expected/isolation_ref_update_delete_upsert_vs_all_on_mx.out
index 88f4d68cd..6a2e595a0 100644
--- a/src/test/regress/expected/isolation_ref_update_delete_upsert_vs_all_on_mx.out
+++ b/src/test/regress/expected/isolation_ref_update_delete_upsert_vs_all_on_mx.out
@@ -204,7 +204,7 @@ restore_isolation_tester_func
 (1 row)
 
 
-starting permutation: s1-add-primary-key s1-start-session-level-connection s1-begin-on-worker s1-upsert s2-start-session-level-connection s2-begin-on-worker s2-drop s1-commit-worker s2-commit-worker s1-stop-connection s2-stop-connection s3-select-count
+starting permutation: s1-add-primary-key s1-start-session-level-connection s1-begin-on-worker s1-upsert s2-drop s1-commit-worker s1-stop-connection s3-select-count
 create_reference_table
 ---------------------------------------------------------------------
 
@@ -237,22 +237,6 @@ run_commands_on_session_level_connection_to_node
 
 (1 row)
 
-step s2-start-session-level-connection:
-        SELECT start_session_level_connection_to_node('localhost', 57638);
-
-start_session_level_connection_to_node
----------------------------------------------------------------------
-
-(1 row)
-
-step s2-begin-on-worker:
-        SELECT run_commands_on_session_level_connection_to_node('BEGIN');
-
-run_commands_on_session_level_connection_to_node
----------------------------------------------------------------------
-
-(1 row)
-
 step s2-drop:
  DROP TABLE ref_table;
  <waiting ...>
@@ -265,14 +249,6 @@ run_commands_on_session_level_connection_to_node
 (1 row)
 
 step s2-drop: <... completed>
-step s2-commit-worker:
-        SELECT run_commands_on_session_level_connection_to_node('COMMIT');
-
-run_commands_on_session_level_connection_to_node
----------------------------------------------------------------------
-
-(1 row)
-
 step s1-stop-connection:
  SELECT stop_session_level_connection_to_node();
 
@@ -281,14 +257,6 @@ stop_session_level_connection_to_node
 
 (1 row)
 
-step s2-stop-connection:
-        SELECT stop_session_level_connection_to_node();
-
-stop_session_level_connection_to_node
----------------------------------------------------------------------
-
-(1 row)
-
 step s3-select-count:
  SELECT COUNT(*) FROM ref_table;
 
diff --git a/src/test/regress/spec/isolation_ensure_dependency_activate_node.spec b/src/test/regress/spec/isolation_ensure_dependency_activate_node.spec
index 5891c153a..5b74d5643 100644
--- a/src/test/regress/spec/isolation_ensure_dependency_activate_node.spec
+++ b/src/test/regress/spec/isolation_ensure_dependency_activate_node.spec
@@ -18,6 +18,7 @@ teardown
     SELECT 1 FROM master_add_node('localhost', 57638);
 
     RESET search_path;
+    DROP SCHEMA IF EXISTS col_schema CASCADE;
     DROP TABLE IF EXISTS t1 CASCADE;
     DROP TABLE IF EXISTS t2 CASCADE;
     DROP TABLE IF EXISTS t3 CASCADE;
@@ -118,6 +119,13 @@ step "s2-commit"
     COMMIT;
 }
 
+step "s2-create-table-for-colocation"
+{
+    CREATE SCHEMA col_schema;
+    CREATE TABLE col_schema.col_tbl (a INT, b INT);
+    SELECT create_distributed_table('col_schema.col_tbl', 'a');
+}
+
 // prints from session 2 are run at the end when the worker has already been added by the
 // test
 step "s2-print-distributed-objects"
@@ -199,7 +207,7 @@ permutation "s1-print-distributed-objects" "s1-begin" "s2-begin" "s2-create-sche
 
 // concurrency tests with multi schema distribution
 permutation "s1-print-distributed-objects" "s2-create-schema" "s1-begin" "s2-begin" "s1-add-worker" "s2-create-table" "s1-commit" "s2-commit" "s2-print-distributed-objects" "s3-drop-coordinator-schemas"
-permutation "s1-print-distributed-objects" "s1-add-worker" "s2-create-schema" "s2-begin" "s3-begin" "s3-use-schema" "s2-create-table" "s3-create-table" "s2-commit" "s3-commit" "s2-print-distributed-objects" "s3-drop-coordinator-schemas"
+permutation "s1-print-distributed-objects" "s2-create-table-for-colocation" "s1-add-worker" "s2-create-schema" "s2-begin" "s3-begin" "s3-use-schema" "s2-create-table" "s3-create-table" "s2-commit" "s3-commit" "s2-print-distributed-objects" "s3-drop-coordinator-schemas"
 permutation "s1-print-distributed-objects" "s1-begin" "s2-begin" "s3-begin" "s1-add-worker" "s2-create-schema" "s3-create-schema2" "s1-commit" "s2-create-table" "s2-commit" "s3-create-table" "s3-commit" "s2-print-distributed-objects" "s3-drop-coordinator-schemas"
 
 // type and schema tests
@@ -212,10 +220,10 @@ permutation "s1-print-distributed-objects" "s1-begin" "s2-begin" "s2-create-sche
 // s3-wait-for-metadata-sync step, we do "s2-begin" followed directly by
 // "s2-commit", because "COMMIT"  syncs the messages
 
-permutation "s1-print-distributed-objects" "s1-begin" "s1-add-worker" "s2-public-schema" "s2-distribute-function" "s1-commit" "s2-begin" "s2-commit"  "s3-wait-for-metadata-sync" "s2-print-distributed-objects" "s3-drop-coordinator-schemas"
-permutation "s1-print-distributed-objects" "s1-begin" "s2-public-schema" "s2-distribute-function" "s2-begin" "s2-commit" "s3-wait-for-metadata-sync" "s1-add-worker" "s1-commit" "s3-wait-for-metadata-sync" "s2-print-distributed-objects" "s3-drop-coordinator-schemas"
+permutation "s1-print-distributed-objects" "s2-create-table-for-colocation" "s1-begin" "s1-add-worker" "s2-public-schema" "s2-distribute-function" "s1-commit" "s2-begin" "s2-commit"  "s3-wait-for-metadata-sync" "s2-print-distributed-objects" "s3-drop-coordinator-schemas"
+permutation "s1-print-distributed-objects" "s2-create-table-for-colocation" "s1-begin" "s2-public-schema" "s2-distribute-function" "s2-begin" "s2-commit" "s3-wait-for-metadata-sync" "s1-add-worker" "s1-commit" "s3-wait-for-metadata-sync" "s2-print-distributed-objects" "s3-drop-coordinator-schemas"
 
 // we cannot run the following operations concurrently
 // the problem is that NOTIFY event doesn't (reliably) happen before COMMIT
 // so we have to commit s2 before s1 starts
-permutation "s1-print-distributed-objects" "s2-begin" "s2-create-schema" "s2-distribute-function" "s2-commit" "s3-wait-for-metadata-sync" "s1-begin" "s1-add-worker" "s1-commit" "s3-wait-for-metadata-sync" "s2-print-distributed-objects" "s3-drop-coordinator-schemas"
+permutation "s1-print-distributed-objects" "s2-create-table-for-colocation" "s2-begin" "s2-create-schema" "s2-distribute-function" "s2-commit" "s3-wait-for-metadata-sync" "s1-begin" "s1-add-worker" "s1-commit" "s3-wait-for-metadata-sync" "s2-print-distributed-objects" "s3-drop-coordinator-schemas"
diff --git a/src/test/regress/spec/isolation_ref_update_delete_upsert_vs_all_on_mx.spec b/src/test/regress/spec/isolation_ref_update_delete_upsert_vs_all_on_mx.spec
index 6fc02d78e..27e532f5e 100644
--- a/src/test/regress/spec/isolation_ref_update_delete_upsert_vs_all_on_mx.spec
+++ b/src/test/regress/spec/isolation_ref_update_delete_upsert_vs_all_on_mx.spec
@@ -110,7 +110,7 @@ step "s3-select-count"
 
 permutation "s1-add-primary-key" "s1-start-session-level-connection" "s1-begin-on-worker" "s1-upsert" "s2-start-session-level-connection" "s2-begin-on-worker" "s2-select" "s1-commit-worker" "s2-commit-worker" "s1-stop-connection" "s2-stop-connection" "s3-select-count"
 permutation "s1-start-session-level-connection" "s1-begin-on-worker" "s1-delete" "s2-start-session-level-connection" "s2-begin-on-worker" "s2-insert-select-ref-table" "s1-commit-worker" "s2-commit-worker" "s1-stop-connection" "s2-stop-connection" "s3-select-count"
-permutation "s1-add-primary-key" "s1-start-session-level-connection" "s1-begin-on-worker" "s1-upsert" "s2-start-session-level-connection" "s2-begin-on-worker" "s2-drop" "s1-commit-worker" "s2-commit-worker" "s1-stop-connection" "s2-stop-connection" "s3-select-count"
+permutation "s1-add-primary-key" "s1-start-session-level-connection" "s1-begin-on-worker" "s1-upsert" "s2-drop" "s1-commit-worker" "s1-stop-connection" "s3-select-count"
 permutation "s1-start-session-level-connection" "s1-begin-on-worker" "s1-delete" "s2-start-session-level-connection" "s2-begin-on-worker" "s2-truncate" "s1-commit-worker" "s2-commit-worker" "s1-stop-connection" "s2-stop-connection" "s3-select-count"
 //Not able to test the next permutation, until issue with CREATE INDEX CONCURRENTLY's locks is resolved. Issue #2966
 //permutation "s1-start-session-level-connection" "s1-begin-on-worker" "s1-update" "s2-coordinator-create-index-concurrently" "s1-commit-worker" "s3-select-count" "s1-stop-connection"