Add Prow setup for feature flag tests

[JeromeJu]

Changes

This commit adds the prow setup for feature flag tests.

/kind misc
fixes: #1629

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[JeromeJu]

/test check-pr-has-kind-label

[tekton-robot]

@JeromeJu: The specified target(s) for /test were not found.
The following commands are available to trigger required jobs:

• /test pull-dogfooding-mario-test
• /test pull-tekton-plumbing-check-testgrid-config

Use /test all to run the following jobs that were automatically triggered:

• pull-tekton-plumbing-check-testgrid-config

In response to this:

/test check-pr-has-kind-label

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[dibyom]

/test plumbing-unit-tests

[tekton-robot]

@dibyom: The specified target(s) for /test were not found.
The following commands are available to trigger required jobs:

• /test pull-dogfooding-mario-test
• /test pull-tekton-plumbing-check-testgrid-config

Use /test all to run the following jobs that were automatically triggered:

• pull-tekton-plumbing-check-testgrid-config

In response to this:

/test plumbing-unit-tests

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[dibyom]

cc @vdemeester @afrittoli - adding a new prow job. they might have an impact on CI/infra costs

[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dibyom, vdemeester

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[vdemeester]

/test plumbing-unit-tests

[tekton-robot]

@vdemeester: The specified target(s) for /test were not found.
The following commands are available to trigger required jobs:

• /test pull-dogfooding-mario-test
• /test pull-tekton-plumbing-check-testgrid-config

Use /test all to run the following jobs that were automatically triggered:

• pull-tekton-plumbing-check-testgrid-config

In response to this:

/test plumbing-unit-tests

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[JeromeJu]

/test plumbing-unit-tests

This unit test seems pretty broken 🤔 #1804

[vdemeester]

/lgtm