fix flaky tests (#7460)

Signed-off-by: ShutingZhao <shuting@nirmata.com>

test/conformance/kuttl/generate/clusterpolicy/standard/clone/sync/cpol-clone-sync-delete-source/00-sleep.yaml

@@ -2,4 +2,4 @@
 apiVersion: kuttl.dev/v1beta1
 kind: TestStep
 commands:
-  - command: sleep 5
+  - command: sleep 3

test/conformance/kuttl/generate/clusterpolicy/standard/clone/sync/cpol-clone-sync-delete-source/03-deletesource.yaml

@@ -4,4 +4,4 @@ delete:
 - apiVersion: v1
   kind: Secret
   name: regcred
-  namespace: default
+  namespace: cpol-clone-sync-delete-source-ns

test/conformance/kuttl/generate/clusterpolicy/standard/clone/sync/cpol-clone-sync-delete-source/04-sleep.yaml

@@ -1,4 +1,4 @@
 apiVersion: kuttl.dev/v1beta1
 kind: TestStep
 commands:
-  - command: sleep 5
+  - command: sleep 3

test/conformance/kuttl/generate/clusterpolicy/standard/clone/sync/cpol-clone-sync-delete-source/05-errors.yaml

@@ -4,5 +4,5 @@ data:
 kind: Secret
 metadata:
   name: regcred
-  namespace: myfoons
+  namespace: cpol-clone-sync-delete-source-trigger-ns
 type: Opaque

test/conformance/kuttl/generate/clusterpolicy/standard/clone/sync/cpol-clone-sync-delete-source/99-cleanup.yaml

@@ -1,5 +0,0 @@
-# This clean-up stage is necessary because of https://github.com/kyverno/kyverno/issues/5101
-apiVersion: kuttl.dev/v1beta1
-kind: TestStep
-commands:
-  - command: kubectl delete ur -A --all

test/conformance/kuttl/generate/clusterpolicy/standard/clone/sync/cpol-clone-sync-delete-source/cloned.yaml

@@ -4,5 +4,5 @@ data:
 kind: Secret
 metadata:
   name: regcred
-  namespace: myfoons
+  namespace: cpol-clone-sync-delete-source-trigger-ns
 type: Opaque

test/conformance/kuttl/generate/clusterpolicy/standard/clone/sync/cpol-clone-sync-delete-source/ns.yaml

@@ -1,4 +1,4 @@
 apiVersion: v1
 kind: Namespace
 metadata:
-  name: myfoons
+  name: cpol-clone-sync-delete-source-trigger-ns

test/conformance/kuttl/generate/clusterpolicy/standard/clone/sync/cpol-clone-sync-delete-source/policy.yaml

@@ -1,10 +1,15 @@
 apiVersion: v1
+kind: Namespace
+metadata:
+  name: cpol-clone-sync-delete-source-ns
+---
+apiVersion: v1
 data:
   foo: YmFy
 kind: Secret
 metadata:
   name: regcred
-  namespace: default
+  namespace: cpol-clone-sync-delete-source-ns
 type: Opaque
 ---
 apiVersion: kyverno.io/v2beta1
@@ -26,6 +31,6 @@ spec:
       namespace: "{{request.object.metadata.name}}"
       synchronize: true
       clone:
-        namespace: default
+        namespace: cpol-clone-sync-delete-source-ns
         name: regcred
 ---