Adds server security group tests

Adds server security group RBAC tests and updates Nova
security group RBAC tests.

Co-Authored-By: Felipe Monteiro <felipe.monteiro@att.com>

Change-Id: I7008e9d489517caa6b8ad743035661a3ab7c93af
Closes-Bug: #1687315
diff --git a/releasenotes/notes/add-security-group-tests-ae5c07074e0ac849.yaml b/releasenotes/notes/add-security-group-tests-ae5c07074e0ac849.yaml
new file mode 100644
index 0000000..8d250cd
--- /dev/null
+++ b/releasenotes/notes/add-security-group-tests-ae5c07074e0ac849.yaml
@@ -0,0 +1,13 @@
+---
+features:
+  - |
+    Add security groups and server security groups
+    tests to Nova RBAC tests.
+fixes:
+  - |
+    Add microversion check to test_security_groups_rbac
+    as tests in this file will fail with a 404 after
+    2.36.
+  - Rename test_server_security_groups to
+    test_list_security_groups to properly reflect the
+    test actually being run.