The following Test cases/Tasks failed in OCP4 environment when we didn't add anyuid scc.

Build: istio maistra-1.0.0 GA images
Environment: OCP4.1 AWS and OCP4.2 AWS

Task: Authorization for HTTP Services - https://archive.istio.io/v1.1/docs/tasks/security/authz-http/
1. The additional ServiceAccount (bookinfo-productpage, bookinfo-reviews) require anyuid scc. Otherwise, this test cannot be passed on OCP4.1 or OCP4.2 cluster.

Upstream doc referenece:
https://archive.istio.io/v1.1/docs/tasks/security/authz-http/#before-you-begin
https://raw.githubusercontent.com/istio/istio/release-1.1/samples/bookinfo/platform/kube/bookinfo-add-serviceaccount.yaml

Task: Authorization for TCP Services - https://archive.istio.io/v1.1/docs/tasks/security/authz-tcp/
1. The additional ServiceAccount (bookinfo-ratings-v2) requires anyuid scc.
2. We don't have a bookinfo-ratings-v2 maistra image to replace the upstream image: istio/examples-bookinfo-ratings-v2:1.10.0
3. mongob needs anyuid scc

Upstream doc referenece:
https://raw.githubusercontent.com/istio/istio/release-1.1/samples/bookinfo/platform/kube/rbac/ratings-v2-add-serviceaccount.yaml
https://raw.githubusercontent.com/istio/istio/release-1.1/samples/bookinfo/platform/kube/bookinfo-db.yaml

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The following two tasks include nginx and mongodb application. We may not support those application on OCP cluster. They require anyuid scc as well.

Task: Collecting Metrics for TCP services - https://archive.istio.io/v1.1/docs/tasks/telemetry/metrics/tcp-metrics/
1. mongodb needs anyuid scc
Upstream Doc Ref:
https://raw.githubusercontent.com/istio/istio/release-1.1/samples/bookinfo/platform/kube/bookinfo-ratings-v2.yaml
https://raw.githubusercontent.com/istio/istio/release-1.1/samples/bookinfo/platform/kube/bookinfo-db.yaml

Task: Mutual TLS over HTTPS - https://archive.istio.io/v1.1/docs/tasks/security/https-overlay/
1. nginx app needs anyuid scc
Upstream Doc Ref:
https://raw.githubusercontent.com/istio/istio/release-1.1/samples/https/nginx-app.yaml