Add missing sriov_agent.ini + update test structure

Change-Id: If431aa5dc8c65abf6e4da947421f3c6cfb8f820d
Related-PROD: PROD-25611
diff --git a/tests/pillar/repo_pike.sls b/tests/pillar/repo_pike.sls
new file mode 100644
index 0000000..bc006ea
--- /dev/null
+++ b/tests/pillar/repo_pike.sls
@@ -0,0 +1,8 @@
+linux:
+  system:
+    enabled: true
+    repo:
+      mirantis_openstack_repo:
+        source: "deb http://mirror.mirantis.com/stable/openstack-pike/xenial xenial main"
+        architectures: amd64
+        key_url: "http://mirror.mirantis.com/stable/openstack-pike/xenial/archive-pike.key"