diff --git a/tests/functional/all_daemons/ceph-override.json b/tests/functional/all_daemons/ceph-override.json
index 2398f5b5f..c18b870d4 100644
--- a/tests/functional/all_daemons/ceph-override.json
+++ b/tests/functional/all_daemons/ceph-override.json
@@ -31,5 +31,6 @@
       "min_size": 0
     }
   ],
-  "ceph_mon_docker_memory_limit": "2g"
+  "ceph_mon_docker_memory_limit": "2g",
+  "radosgw_num_instances": 2
 }
diff --git a/tox.ini b/tox.ini
index 41bd02b17..0a7bc0c2d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -415,15 +415,15 @@ commands=
   py.test --reruns 5 --reruns-delay 1 -n 8 --durations=0 --sudo -v --connection=ansible --ansible-inventory={changedir}/{env:INVENTORY} --ssh-config={changedir}/vagrant_ssh_config {toxinidir}/tests/functional/tests
 
   # reboot all vms
-  all_daemons: ansible-playbook -vv -i {changedir}/{env:INVENTORY} {toxinidir}/tests/functional/reboot.yml
+  all_daemons,collocation: ansible-playbook -vv -i {changedir}/{env:INVENTORY} {toxinidir}/tests/functional/reboot.yml
 
   # wait 30sec for services to be ready
   sleep 30
   # retest to ensure cluster came back up correctly after rebooting
-  all_daemons: py.test --reruns 5 --reruns-delay 1 -n 8 --durations=0 --sudo -v --connection=ansible --ansible-inventory={changedir}/{env:INVENTORY} --ssh-config={changedir}/vagrant_ssh_config {toxinidir}/tests/functional/tests
+  all_daemons,collocation: py.test --reruns 5 --reruns-delay 1 -n 8 --durations=0 --sudo -v --connection=ansible --ansible-inventory={changedir}/{env:INVENTORY} --ssh-config={changedir}/vagrant_ssh_config {toxinidir}/tests/functional/tests
 
   # handlers/idempotency test
-  all_daemons,all_in_one: ansible-playbook -vv -i {changedir}/{env:INVENTORY} {toxinidir}/{env:PLAYBOOK:site.yml.sample} --extra-vars "delegate_facts_host={env:DELEGATE_FACTS_HOST:True} fetch_directory={env:FETCH_DIRECTORY:{changedir}/fetch} ceph_stable_release={env:CEPH_STABLE_RELEASE:nautilus} ceph_docker_image_tag={env:CEPH_DOCKER_IMAGE_TAG_BIS:latest-bis-nautilus}" --extra-vars @ceph-override.json
+  all_daemons,all_in_one,collocation: ansible-playbook -vv -i {changedir}/{env:INVENTORY} {toxinidir}/{env:PLAYBOOK:site.yml.sample} --extra-vars "delegate_facts_host={env:DELEGATE_FACTS_HOST:True} fetch_directory={env:FETCH_DIRECTORY:{changedir}/fetch} ceph_stable_release={env:CEPH_STABLE_RELEASE:nautilus} ceph_docker_image_tag={env:CEPH_DOCKER_IMAGE_TAG_BIS:latest-bis-nautilus}" --extra-vars @ceph-override.json
 
   purge: {[purge]commands}
   switch_to_containers: {[switch-to-containers]commands}