Enable CI pipeline against v1.2-branch

[Jeffwan]

part of #1321

I notice we don't have test enabled for v1.2-branch. Master now serves universal operator and if people like to use original tf operator, bug fixes should come to v1.2-branch and CI pipeline will be required then.

sample PR: kubeflow/testing#951

/help
/good-first-issue

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In response to this:

part of #1321

I notice we don't have test enabled for v1.2-branch. Master now serves universal operator and if people like to use original tf operator. bug fixes should come to v1.2-branch and CI pipeline will be required then.

sample PR: kubeflow/testing#951

/help
/good-first-issue

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.

[DeliangFan]

/assign

[gaocegege]

@DeliangFan

Thanks for your contribution! 🎉 👍

[DeliangFan]

kubeflow/testing#964

[Jeffwan]

@DeliangFan helps enable the test and we can close this issue