[SPARK-36400][TEST][FOLLOWUP] Add test for redacting sensitive information in UI by config

[sarutak]

What changes were proposed in this pull request?

This PR adds a test for SPARK-36400 (#33743).

Why are the changes needed?

SPARK-36512 (#33741) was fixed so we can add this test now.

Does this PR introduce any user-facing change?

No.

How was this patch tested?

New test.

[SparkQA]

Test build #142908 has finished for PR 33885 at commit 957dea7.

• This patch fails Spark unit tests.
• This patch merges cleanly.
• This patch adds no public classes.

[SparkQA]

Kubernetes integration test starting
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/47411/

[SparkQA]

Kubernetes integration test status failure
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/47411/

[SparkQA]

Test build #142914 has finished for PR 33885 at commit 503c383.

• This patch passes all tests.
• This patch merges cleanly.
• This patch adds no public classes.

[SparkQA]

Kubernetes integration test starting
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/47416/

[SparkQA]

Kubernetes integration test status failure
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/47416/

[sarutak]

Thank you @HyukjinKwon and @dongjoon-hyun, merged to master.