diff --git a/tcp_tests/templates/cookied-bm-contrail-maas/common-services.yaml b/tcp_tests/templates/cookied-bm-contrail-maas/core.yaml
similarity index 100%
rename from tcp_tests/templates/cookied-bm-contrail-maas/common-services.yaml
rename to tcp_tests/templates/cookied-bm-contrail-maas/core.yaml
diff --git a/tcp_tests/templates/cookied-bm-contrail-nfv-maas/common-services.yaml b/tcp_tests/templates/cookied-bm-contrail-nfv-maas/core.yaml
similarity index 100%
rename from tcp_tests/templates/cookied-bm-contrail-nfv-maas/common-services.yaml
rename to tcp_tests/templates/cookied-bm-contrail-nfv-maas/core.yaml
diff --git a/tcp_tests/templates/cookied-bm-contrail40/common-services.yaml b/tcp_tests/templates/cookied-bm-contrail40/core.yaml
similarity index 100%
rename from tcp_tests/templates/cookied-bm-contrail40/common-services.yaml
rename to tcp_tests/templates/cookied-bm-contrail40/core.yaml
diff --git a/tcp_tests/templates/cookied-bm-dpdk-pipeline/common-services.yaml b/tcp_tests/templates/cookied-bm-dpdk-pipeline/core.yaml
similarity index 100%
rename from tcp_tests/templates/cookied-bm-dpdk-pipeline/common-services.yaml
rename to tcp_tests/templates/cookied-bm-dpdk-pipeline/core.yaml
diff --git a/tcp_tests/templates/cookied-bm-mcp-dvr-vxlan/common-services.yaml b/tcp_tests/templates/cookied-bm-mcp-dvr-vxlan/core.yaml
similarity index 100%
rename from tcp_tests/templates/cookied-bm-mcp-dvr-vxlan/common-services.yaml
rename to tcp_tests/templates/cookied-bm-mcp-dvr-vxlan/core.yaml
diff --git a/tcp_tests/templates/cookied-bm-mcp-ocata-contrail-nfv/common-services.yaml b/tcp_tests/templates/cookied-bm-mcp-ocata-contrail-nfv/core.yaml
similarity index 100%
rename from tcp_tests/templates/cookied-bm-mcp-ocata-contrail-nfv/common-services.yaml
rename to tcp_tests/templates/cookied-bm-mcp-ocata-contrail-nfv/core.yaml
diff --git a/tcp_tests/templates/cookied-bm-mcp-ocata-contrail/common-services.yaml b/tcp_tests/templates/cookied-bm-mcp-ocata-contrail/core.yaml
similarity index 100%
rename from tcp_tests/templates/cookied-bm-mcp-ocata-contrail/common-services.yaml
rename to tcp_tests/templates/cookied-bm-mcp-ocata-contrail/core.yaml
diff --git a/tcp_tests/templates/cookied-bm-mcp-ovs-dpdk/common-services.yaml b/tcp_tests/templates/cookied-bm-mcp-ovs-dpdk/core.yaml
similarity index 100%
rename from tcp_tests/templates/cookied-bm-mcp-ovs-dpdk/common-services.yaml
rename to tcp_tests/templates/cookied-bm-mcp-ovs-dpdk/core.yaml
diff --git a/tcp_tests/templates/cookied-bm-mcp-pike-k8s-contrail/common-services.yaml b/tcp_tests/templates/cookied-bm-mcp-pike-k8s-contrail/core.yaml
similarity index 100%
rename from tcp_tests/templates/cookied-bm-mcp-pike-k8s-contrail/common-services.yaml
rename to tcp_tests/templates/cookied-bm-mcp-pike-k8s-contrail/core.yaml
diff --git a/tcp_tests/templates/cookied-bm-ocata-cicd-pipeline/common-services.yaml b/tcp_tests/templates/cookied-bm-ocata-cicd-pipeline/core.yaml
similarity index 100%
rename from tcp_tests/templates/cookied-bm-ocata-cicd-pipeline/common-services.yaml
rename to tcp_tests/templates/cookied-bm-ocata-cicd-pipeline/core.yaml
diff --git a/tcp_tests/templates/cookied-cicd-k8s-calico-sl/deploy-and-test.groovy b/tcp_tests/templates/cookied-cicd-k8s-calico-sl/deploy-and-test.groovy
index 616ad61..d0f69b7 100644
--- a/tcp_tests/templates/cookied-cicd-k8s-calico-sl/deploy-and-test.groovy
+++ b/tcp_tests/templates/cookied-cicd-k8s-calico-sl/deploy-and-test.groovy
@@ -37,7 +37,7 @@
             . ./tcp_tests/utils/env_k8s
 
             # Initialize variables used in tcp-qa tests
-            export CURRENT_SNAPSHOT=sl_deployed  # provide the snapshot name required by the test
+            export CURRENT_SNAPSHOT=stacklight_deployed  # provide the snapshot name required by the test
             export TESTS_CONFIGS=\$(pwd)/${ENV_NAME}_salt_deployed.ini  # some SSH data may be filled separatelly
 
             export MANAGER=empty  # skip 'hardware' fixture, disable snapshot/revert features
@@ -46,9 +46,9 @@
             export salt_master_port=6969
             export SALT_USER=\$SALTAPI_USER
             export SALT_PASSWORD=\$SALTAPI_PASS
-            export COMMON_SERVICES_INSTALLED=true  # skip common_services_deployed fixture
+            export CORE_INSTALLED=true  # skip core_deployed fixture
             export K8S_INSTALLED=true              # skip k8s_deployed fixture
-            export sl_installed=true              # skip sl_deployed fixture
+            export sl_installed=true              # skip stacklight_deployed fixture
 
             py.test -vvv -s -p no:django -p no:ipdb --junit-xml=nosetests.xml -m k8s_calico_sl
 
diff --git a/tcp_tests/templates/cookied-cicd-k8s-calico/deploy-and-test.groovy b/tcp_tests/templates/cookied-cicd-k8s-calico/deploy-and-test.groovy
index 2d691fb..83335a9 100644
--- a/tcp_tests/templates/cookied-cicd-k8s-calico/deploy-and-test.groovy
+++ b/tcp_tests/templates/cookied-cicd-k8s-calico/deploy-and-test.groovy
@@ -46,7 +46,7 @@
             export salt_master_port=6969
             export SALT_USER=\$SALTAPI_USER
             export SALT_PASSWORD=\$SALTAPI_PASS
-            export COMMON_SERVICES_INSTALLED=true  # skip common_services_deployed fixture
+            export CORE_INSTALLED=true  # skip core_deployed fixture
             export K8S_INSTALLED=true              # skip k8s_deployed fixture
 
             py.test -vvv -s -p no:django -p no:ipdb --junit-xml=nosetests.xml -m k8s_calico
diff --git a/tcp_tests/templates/cookied-mcp-mitaka-dvr/common-services.yaml b/tcp_tests/templates/cookied-mcp-mitaka-dvr/core.yaml
similarity index 100%
rename from tcp_tests/templates/cookied-mcp-mitaka-dvr/common-services.yaml
rename to tcp_tests/templates/cookied-mcp-mitaka-dvr/core.yaml
diff --git a/tcp_tests/templates/cookied-mcp-mitaka-ovs/common-services.yaml b/tcp_tests/templates/cookied-mcp-mitaka-ovs/core.yaml
similarity index 100%
rename from tcp_tests/templates/cookied-mcp-mitaka-ovs/common-services.yaml
rename to tcp_tests/templates/cookied-mcp-mitaka-ovs/core.yaml
diff --git a/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/common-services.yaml b/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/core.yaml
similarity index 100%
rename from tcp_tests/templates/cookied-mcp-ocata-dop-sl2/common-services.yaml
rename to tcp_tests/templates/cookied-mcp-ocata-dop-sl2/core.yaml
diff --git a/tcp_tests/templates/cookied-mcp-ocata-dvr-vxlan/common-services.yaml b/tcp_tests/templates/cookied-mcp-ocata-dvr-vxlan/core.yaml
similarity index 100%
rename from tcp_tests/templates/cookied-mcp-ocata-dvr-vxlan/common-services.yaml
rename to tcp_tests/templates/cookied-mcp-ocata-dvr-vxlan/core.yaml
diff --git a/tcp_tests/templates/cookied-mcp-pike-dpdk/common-services.yaml b/tcp_tests/templates/cookied-mcp-pike-dpdk/core.yaml
similarity index 100%
rename from tcp_tests/templates/cookied-mcp-pike-dpdk/common-services.yaml
rename to tcp_tests/templates/cookied-mcp-pike-dpdk/core.yaml
diff --git a/tcp_tests/templates/cookied-mcp-pike-dvr-ssl/common-services.yaml b/tcp_tests/templates/cookied-mcp-pike-dvr-ssl/core.yaml
similarity index 100%
rename from tcp_tests/templates/cookied-mcp-pike-dvr-ssl/common-services.yaml
rename to tcp_tests/templates/cookied-mcp-pike-dvr-ssl/core.yaml
diff --git a/tcp_tests/templates/cookied-mcp-pike-dvr/common-services.yaml b/tcp_tests/templates/cookied-mcp-pike-dvr/core.yaml
similarity index 100%
rename from tcp_tests/templates/cookied-mcp-pike-dvr/common-services.yaml
rename to tcp_tests/templates/cookied-mcp-pike-dvr/core.yaml
diff --git a/tcp_tests/templates/cookied-mcp-pike-ovs/common-services.yaml b/tcp_tests/templates/cookied-mcp-pike-ovs/core.yaml
similarity index 100%
rename from tcp_tests/templates/cookied-mcp-pike-ovs/common-services.yaml
rename to tcp_tests/templates/cookied-mcp-pike-ovs/core.yaml
diff --git a/tcp_tests/templates/k8s-ha-calico/common-services.yaml b/tcp_tests/templates/k8s-ha-calico/core.yaml
similarity index 100%
rename from tcp_tests/templates/k8s-ha-calico/common-services.yaml
rename to tcp_tests/templates/k8s-ha-calico/core.yaml
diff --git a/tcp_tests/templates/k8s-ha-contrail/common-services.yaml b/tcp_tests/templates/k8s-ha-contrail/core.yaml
similarity index 100%
rename from tcp_tests/templates/k8s-ha-contrail/common-services.yaml
rename to tcp_tests/templates/k8s-ha-contrail/core.yaml
diff --git a/tcp_tests/templates/mcp-ocata-local-repo-dvr/common-services.yaml b/tcp_tests/templates/mcp-ocata-local-repo-dvr/core.yaml
similarity index 100%
rename from tcp_tests/templates/mcp-ocata-local-repo-dvr/common-services.yaml
rename to tcp_tests/templates/mcp-ocata-local-repo-dvr/core.yaml
diff --git a/tcp_tests/templates/physical-mcp-ocata-offline-ovs/common-services.yaml b/tcp_tests/templates/physical-mcp-ocata-offline-ovs/core.yaml
similarity index 100%
rename from tcp_tests/templates/physical-mcp-ocata-offline-ovs/common-services.yaml
rename to tcp_tests/templates/physical-mcp-ocata-offline-ovs/core.yaml
diff --git a/tcp_tests/templates/shared-common-services.yaml b/tcp_tests/templates/shared-core.yaml
similarity index 100%
rename from tcp_tests/templates/shared-common-services.yaml
rename to tcp_tests/templates/shared-core.yaml
diff --git a/tcp_tests/templates/virtual-mcp-ocata-ceph-offline/common-services.yaml b/tcp_tests/templates/virtual-mcp-ocata-ceph-offline/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp-ocata-ceph-offline/common-services.yaml
rename to tcp_tests/templates/virtual-mcp-ocata-ceph-offline/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp-ocata-dvr/common-services.yaml b/tcp_tests/templates/virtual-mcp-ocata-dvr/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp-ocata-dvr/common-services.yaml
rename to tcp_tests/templates/virtual-mcp-ocata-dvr/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp-ocata-ovs-ceph/common-services.yaml b/tcp_tests/templates/virtual-mcp-ocata-ovs-ceph/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp-ocata-ovs-ceph/common-services.yaml
rename to tcp_tests/templates/virtual-mcp-ocata-ovs-ceph/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp-ocata-ovs/common-services.yaml b/tcp_tests/templates/virtual-mcp-ocata-ovs/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp-ocata-ovs/common-services.yaml
rename to tcp_tests/templates/virtual-mcp-ocata-ovs/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp-pike-dvr-ceph-rgw/common-services.yaml b/tcp_tests/templates/virtual-mcp-pike-dvr-ceph-rgw/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp-pike-dvr-ceph-rgw/common-services.yaml
rename to tcp_tests/templates/virtual-mcp-pike-dvr-ceph-rgw/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp-pike-dvr-maas/common-services.yaml b/tcp_tests/templates/virtual-mcp-pike-dvr-maas/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp-pike-dvr-maas/common-services.yaml
rename to tcp_tests/templates/virtual-mcp-pike-dvr-maas/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp-pike-dvr-ssl-barbican/common-services.yaml b/tcp_tests/templates/virtual-mcp-pike-dvr-ssl-barbican/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp-pike-dvr-ssl-barbican/common-services.yaml
rename to tcp_tests/templates/virtual-mcp-pike-dvr-ssl-barbican/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp-pike-dvr-ssl/common-services.yaml b/tcp_tests/templates/virtual-mcp-pike-dvr-ssl/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp-pike-dvr-ssl/common-services.yaml
rename to tcp_tests/templates/virtual-mcp-pike-dvr-ssl/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp-pike-dvr/common-services.yaml b/tcp_tests/templates/virtual-mcp-pike-dvr/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp-pike-dvr/common-services.yaml
rename to tcp_tests/templates/virtual-mcp-pike-dvr/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp-pike-ovs-ceph/common-services.yaml b/tcp_tests/templates/virtual-mcp-pike-ovs-ceph/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp-pike-ovs-ceph/common-services.yaml
rename to tcp_tests/templates/virtual-mcp-pike-ovs-ceph/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp-pike-ovs-l2gw-bgpvpn/common-services.yaml b/tcp_tests/templates/virtual-mcp-pike-ovs-l2gw-bgpvpn/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp-pike-ovs-l2gw-bgpvpn/common-services.yaml
rename to tcp_tests/templates/virtual-mcp-pike-ovs-l2gw-bgpvpn/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp-pike-ovs/common-services.yaml b/tcp_tests/templates/virtual-mcp-pike-ovs/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp-pike-ovs/common-services.yaml
rename to tcp_tests/templates/virtual-mcp-pike-ovs/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp-sl-os/common-services.yaml b/tcp_tests/templates/virtual-mcp-sl-os/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp-sl-os/common-services.yaml
rename to tcp_tests/templates/virtual-mcp-sl-os/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp-trusty/common-services.yaml b/tcp_tests/templates/virtual-mcp-trusty/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp-trusty/common-services.yaml
rename to tcp_tests/templates/virtual-mcp-trusty/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp11-dvr/common-services.yaml b/tcp_tests/templates/virtual-mcp11-dvr/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp11-dvr/common-services.yaml
rename to tcp_tests/templates/virtual-mcp11-dvr/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp11-k8s-calico-minimal/common-services.yaml b/tcp_tests/templates/virtual-mcp11-k8s-calico-minimal/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp11-k8s-calico-minimal/common-services.yaml
rename to tcp_tests/templates/virtual-mcp11-k8s-calico-minimal/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp11-k8s-calico/common-services.yaml b/tcp_tests/templates/virtual-mcp11-k8s-calico/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp11-k8s-calico/common-services.yaml
rename to tcp_tests/templates/virtual-mcp11-k8s-calico/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp11-k8s-contrail/common-services.yaml b/tcp_tests/templates/virtual-mcp11-k8s-contrail/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp11-k8s-contrail/common-services.yaml
rename to tcp_tests/templates/virtual-mcp11-k8s-contrail/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp11-ovs-dpdk/common-services.yaml b/tcp_tests/templates/virtual-mcp11-ovs-dpdk/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp11-ovs-dpdk/common-services.yaml
rename to tcp_tests/templates/virtual-mcp11-ovs-dpdk/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp11-ovs.new/common-services.yaml b/tcp_tests/templates/virtual-mcp11-ovs.new/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp11-ovs.new/common-services.yaml
rename to tcp_tests/templates/virtual-mcp11-ovs.new/core.yaml
diff --git a/tcp_tests/templates/virtual-mcp11-ovs/common-services.yaml b/tcp_tests/templates/virtual-mcp11-ovs/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-mcp11-ovs/common-services.yaml
rename to tcp_tests/templates/virtual-mcp11-ovs/core.yaml
diff --git a/tcp_tests/templates/virtual-offline-pike-ovs-dpdk/common-services.yaml b/tcp_tests/templates/virtual-offline-pike-ovs-dpdk/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-offline-pike-ovs-dpdk/common-services.yaml
rename to tcp_tests/templates/virtual-offline-pike-ovs-dpdk/core.yaml
diff --git a/tcp_tests/templates/virtual-offline-pike-ovs/common-services.yaml b/tcp_tests/templates/virtual-offline-pike-ovs/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-offline-pike-ovs/common-services.yaml
rename to tcp_tests/templates/virtual-offline-pike-ovs/core.yaml
diff --git a/tcp_tests/templates/virtual-offline-ssl/common-services.yaml b/tcp_tests/templates/virtual-offline-ssl/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-offline-ssl/common-services.yaml
rename to tcp_tests/templates/virtual-offline-ssl/core.yaml
diff --git a/tcp_tests/templates/virtual-pike-ovs-dpdk/common-services.yaml b/tcp_tests/templates/virtual-pike-ovs-dpdk/core.yaml
similarity index 100%
rename from tcp_tests/templates/virtual-pike-ovs-dpdk/common-services.yaml
rename to tcp_tests/templates/virtual-pike-ovs-dpdk/core.yaml