PROD-36025 Switch venv_testrail_reporter to python3

Change-Id: I98728d4d34a7077d94be1390b5b1f3543fcd1999
diff --git a/tcp_tests/templates/_heat_environments/us-cloud.env b/tcp_tests/templates/_heat_environments/us-cloud.env
index bd62961..54556a8 100644
--- a/tcp_tests/templates/_heat_environments/us-cloud.env
+++ b/tcp_tests/templates/_heat_environments/us-cloud.env
@@ -44,5 +44,5 @@
   vm_availability_zone: nova
   net_public: public
 
-  foundation_image: system.foundation
+  foundation_image: system.foundation01
   nameservers: 172.18.224.6,172.18.176.6