Report for test flakiness  (#356)
Report for test flakiness  (#356)

* added draft flakiness report

* updated the report

* updated the report

* fixed typos

* fixed typos

* removed extra file

* added build consistency plot

* updated the report

* added states per test type

* added test flakiness metrics

* added junit test and workflow flakiness metrics and validated the results

kubeflow/testing,kubeflow/testing,kubeflow/testing,kubeflow/testing,kubeflow/testing