Updated image tags for tests

Updated python req for simulators
Configurable basepath for hostpath persistent volumes

Issue-ID: NONRTRIC-728
Signed-off-by: BjornMagnussonXA <bjorn.magnusson@est.tech>
Change-Id: I352cf68afd655b1c458f77de4c70e87ba083bb3d
diff --git a/test/simulator-group/policy_agent/pv.yaml b/test/simulator-group/policy_agent/pv.yaml
index 332b341..eeed4a0 100644
--- a/test/simulator-group/policy_agent/pv.yaml
+++ b/test/simulator-group/policy_agent/pv.yaml
@@ -15,4 +15,4 @@
     - ReadWriteOnce
   persistentVolumeReclaimPolicy: Delete
   hostPath:
-    path: "/tmp/$POLICY_AGENT_PV_PATH"
+    path: "$HOST_PATH_BASE_DIR/$POLICY_AGENT_PV_PATH"