Revert "Changge bm_availability_zone to nova"

This reverts commit 0806e3bb772275140dc69954d6c4d5503d552f4a.

Reason for revert: AZ reset

Change-Id: I77b26f343c72e08cebf7844286b9168a5652af29
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 8e984e0..5c65579 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: nova
+  bm_availability_zone: vlan-provider-net-az
   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 d2c6dac..463f000 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: nova
+  bm_availability_zone: vlan-provider-net-az
   vm_availability_zone: nova
   net_public: public