diff --git a/src/test/regress/isolation_schedule b/src/test/regress/isolation_schedule
index 0b5112ba0..bd57faa84 100644
--- a/src/test/regress/isolation_schedule
+++ b/src/test/regress/isolation_schedule
@@ -93,7 +93,7 @@ test: isolation_replicated_dist_on_mx
 # MXless tests
 test: isolation_check_mx
 test: isolation_turn_mx_off
+test: isolation_replicate_reference_tables_to_coordinator
 test: isolation_reference_copy_vs_all
 test: isolation_ref2ref_foreign_keys
-test: isolation_replicate_reference_tables_to_coordinator
 test: isolation_multiuser_locking
diff --git a/src/test/regress/spec/isolation_replicate_reference_tables_to_coordinator.spec b/src/test/regress/spec/isolation_replicate_reference_tables_to_coordinator.spec
index aa41854de..5686cdd7f 100644
--- a/src/test/regress/spec/isolation_replicate_reference_tables_to_coordinator.spec
+++ b/src/test/regress/spec/isolation_replicate_reference_tables_to_coordinator.spec
@@ -6,7 +6,7 @@ setup
   SELECT citus_internal.replace_isolation_tester_func();
   SELECT citus_internal.refresh_isolation_tester_prepared_statement();
 
-  SELECT master_add_node('localhost', 57636);
+  SELECT master_add_node('localhost', 57636, groupid => 0);
 
   CREATE TABLE ref_table(a int primary key);
   SELECT create_reference_table('ref_table');
@@ -126,12 +126,12 @@ step "deadlock-checker-call"
 
 // verify that locks on the placement of the reference table on the coordinator is
 // taken into account when looking for distributed deadlocks
-// permutation "s1-begin" "s2-begin" "s1-update-dist-table" "s2-lock-ref-table-placement-on-coordinator" "s1-lock-ref-table-placement-on-coordinator" "s2-update-dist-table" "deadlock-checker-call" "s1-end" "s2-end"
+permutation "s1-begin" "s2-begin" "s1-update-dist-table" "s2-lock-ref-table-placement-on-coordinator" "s1-lock-ref-table-placement-on-coordinator" "s2-update-dist-table" "deadlock-checker-call" "s1-end" "s2-end"
 
 // verify that *_dist_stat_activity() functions return the correct result when query
 // has a task on the coordinator.
-// permutation "s1-begin" "s2-begin" "s1-update-ref-table" "s2-sleep" "s2-view-dist" "s2-view-worker" "s2-end" "s1-end"
+permutation "s1-begin" "s2-begin" "s1-update-ref-table" "s2-sleep" "s2-view-dist" "s2-view-worker" "s2-end" "s1-end"
 
 // verify that get_*_active_transactions() functions return the correct result when
 // the query has a task on the coordinator.
-// permutation "s1-begin" "s2-begin" "s1-update-ref-table" "s2-active-transactions" "s1-end" "s2-end"
+permutation "s1-begin" "s2-begin" "s1-update-ref-table" "s2-active-transactions" "s1-end" "s2-end"