test: add test to cleanup the same resource twice (#7965)

Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com>

test/conformance/kuttl/ttl/delete-twice/01-pod.yaml

@@ -0,0 +1,6 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+apply:
+- pod.yaml
+assert:
+- pod-assert.yaml

test/conformance/kuttl/ttl/delete-twice/02-check.yaml

@@ -0,0 +1,4 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+error:
+- pod-assert.yaml

test/conformance/kuttl/ttl/delete-twice/03-pod.yaml

@@ -0,0 +1,6 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+apply:
+- pod.yaml
+assert:
+- pod-assert.yaml

test/conformance/kuttl/ttl/delete-twice/04-check.yaml

@@ -0,0 +1,4 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+error:
+- pod-assert.yaml

test/conformance/kuttl/ttl/delete-twice/README.md

@@ -0,0 +1,10 @@
+# ## Description
+
+This test cleans up pods via a label assignment named `cleanup.kyverno.io/ttl: 10s`.
+Once deleted, the pod is created a second time and we expect to be deleted again.
+
+## Expected Behavior
+
+The pod `test-pod` is cleaned up successfully after 10s twice.
+
+## Reference Issue(s)

test/conformance/kuttl/ttl/delete-twice/pod-assert.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: test-pod
+  labels:
+    cleanup.kyverno.io/ttl: 10s

test/conformance/kuttl/ttl/delete-twice/pod.yaml

@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: test-pod
+  labels:
+    cleanup.kyverno.io/ttl: 10s
+spec:
+  containers:
+  - image: nginx:latest
+    name: nginx