metrics: Add sysbench pod yaml

This PR adds the sysbench pod yaml for the sysbench performance test.

Signed-off-by: Gabriela Cervantes <gabriela.cervantes.tellez@intel.com>

tests/metrics/density/runtimeclass_workloads/sysbench-pod.yaml

@@ -0,0 +1,18 @@
+#
+# Copyright (c) 2018-2023 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+apiVersion: v1
+kind: Pod
+metadata:
+  name: test-sysbench
+spec:
+  terminationGracePeriodSeconds: 0
+  runtimeClassName: kata
+  containers:
+  - name: test-sysbench
+    image: localhost:5000/sysbench-kata:latest
+    command:
+        - sleep
+        - "60"