Minor test fixes related to getting updated profile and checking kubeletconfiguration

This bug is a backport clone of [Bugzilla Bug 2115802](https://bugzilla.redhat.com/show_bug.cgi?id=2115802). The following is the description of the original bug:
—
Description of problem:
Minor test fixes related to getting updated profile and checking kubeletconfiguration

Version-Release number of selected component (if applicable):
4.11.0-rc.7-

How reproducible:

Currently the following E2E test cases are failing

[test_id:28440]Verifies that nodeSelector can be updated in performance profile

• Failure [360.302 seconds]
[rfe_id:28761][performance] Updating parameters in performance profile
/home/jenkins/workspace/CNF/cnf-compute-4.11/cluster-node-tuning-operator/test/e2e/performanceprofile/functests/2_performance_update/updating_profile.go:36
Updating of nodeSelector parameter and node labels
/home/jenkins/workspace/CNF/cnf-compute-4.11/cluster-node-tuning-operator/test/e2e/performanceprofile/functests/2_performance_update/updating_profile.go:422
[test_id:28440]Verifies that nodeSelector can be updated in performance profile [It]
/home/jenkins/workspace/CNF/cnf-compute-4.11/cluster-node-tuning-operator/test/e2e/performanceprofile/functests/2_performance_update/updating_profile.go:444

Expected
<string>: kind: KubeletConfiguration
apiVersion: kubelet.config.k8s.io/v1beta1
authentication:
x509:
clientCAFile: /etc/kubernetes/kubelet-ca.crt
anonymous:
enabled: false
cgroupDriver: systemd
cgroupRoot: /
clusterDNS:

• 172.30.0.10
  clusterDomain: cluster.local
  containerLogMaxSize: 50Mi
  maxPods: 250
  kubeAPIQPS: 50
  kubeAPIBurst: 100
  podPidsLimit: 4096
  rotateCertificates: true
  serializeImagePulls: false
  staticPodPath: /etc/kubernetes/manifests
  systemCgroups: /system.slice
  systemReserved:
  ephemeral-storage: 1Gi
  featureGates:
  APIPriorityAndFairness: true
  RotateKubeletServerCertificate: true
  DownwardAPIHugePages: true
  PodSecurity: true
  CSIMigrationAWS: false
  CSIMigrationAzureFile: false
  CSIMigrationGCE: false
  CSIMigrationvSphere: false
  serverTLSBootstrap: true
  tlsMinVersion: VersionTLS12
  tlsCipherSuites:
• TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
• TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
• TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
• TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
• TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
• TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
  to contain substring
  <string>: topologyManagerPolicy

• Failure [0.046 seconds]
[rfe_id:28761][performance] Updating parameters in performance profile
/home/jenkins/workspace/CNF/cnf-compute-4.11/cluster-node-tuning-operator/test/e2e/performanceprofile/functests/2_performance_update/updating_profile.go:36
Updating of nodeSelector parameter and node labels
/home/jenkins/workspace/CNF/cnf-compute-4.11/cluster-node-tuning-operator/test/e2e/performanceprofile/functests/2_performance_update/updating_profile.go:422
[test_id:28440]Verifies that nodeSelector can be updated in performance profile [It]
/home/jenkins/workspace/CNF/cnf-compute-4.11/cluster-node-tuning-operator/test/e2e/performanceprofile/functests/2_performance_update/updating_profile.go:444

Unexpected error:
<*errors.StatusError | 0xc0005b8500>: {
ErrStatus: {
TypeMeta:

{Kind: "", APIVersion: ""}

,
ListMeta:

{ SelfLink: "", ResourceVersion: "", Continue: "", RemainingItemCount: nil, }

,
Status: "Failure",
Message: "Operation cannot be fulfilled on nodes \"ocp411422083-worker-2.libvirt.lab.eng.tlv2.redhat.com\": the object has been modified; please apply your changes to the latest version and try again",
Reason: "Conflict",
Details:

{ Name: "ocp411422083-worker-2.libvirt.lab.eng.tlv2.redhat.com", Group: "", Kind: "nodes", UID: "", Causes: nil, RetryAfterSeconds: 0, }

,
Code: 409,
},
}
Operation cannot be fulfilled on nodes "ocp411422083-worker-2.libvirt.lab.eng.tlv2.redhat.com": the object has been modified; please apply your changes to the latest version and try again
occurred