test: Add TDE feature test (#1273)

[ti-chi-bot]

This is an automated cherry-pick of #1273

What problem does this PR solve?

close issure # 1265
Add integration test for backup and restore when TDE feature enable

What is changed and how it works?

Add test case in integration tests

Check List

Tests

• Unit test
• Integration test

Related changes

• Need to cherry-pick to the release branch

Release note

• No Release Note

[kennytm]

/run-integration-test

https://ci.pingcap.net/blue/organizations/jenkins/br_ghpr_unit_and_integration_test/detail/br_ghpr_unit_and_integration_test/5795/pipeline

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• Leavrth
• kennytm

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[ZipFast]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 16c727b