Revert "Revert "Changge bm_availability_zone to nova""

This reverts commit 32e74c83c7fbd6361faa73487fc0abf49c8e995b.

Reason for revert: Retest az

Change-Id: Ic6ee2acdd20fc3e0b373eef1d1d1160f97d431f0
diff --git a/tcp_tests/templates/_heat_environments/eu-cloud-low-flavors.env b/tcp_tests/templates/_heat_environments/eu-cloud-low-flavors.env
index 5c65579..8e984e0 100644
--- a/tcp_tests/templates/_heat_environments/eu-cloud-low-flavors.env
+++ b/tcp_tests/templates/_heat_environments/eu-cloud-low-flavors.env
@@ -40,7 +40,7 @@
   vsrx_flavor: oc_vsrx
 
   key_pair: system_key_8133
-  bm_availability_zone: vlan-provider-net-az
+  bm_availability_zone: nova
   vm_availability_zone: nova
   net_public: public
 
diff --git a/tcp_tests/templates/_heat_environments/eu-cloud.env b/tcp_tests/templates/_heat_environments/eu-cloud.env
index 463f000..d2c6dac 100644
--- a/tcp_tests/templates/_heat_environments/eu-cloud.env
+++ b/tcp_tests/templates/_heat_environments/eu-cloud.env
@@ -44,7 +44,7 @@
   vsrx_flavor: oc_vsrx
 
   key_pair: system_key_8133
-  bm_availability_zone: vlan-provider-net-az
+  bm_availability_zone: nova
   vm_availability_zone: nova
   net_public: public