* Implement Suspend semantics for MPIJob
# Conflicts:
# pkg/apis/kubeflow/v2beta1/types.go
# pkg/controller/mpi_job_controller.go
# pkg/controller/mpi_job_controller_status.go
# pkg/controller/mpi_job_controller_test.go
# test/integration/mpi_job_controller_test.go
* Changes
- add unit tests for creating suspended, suspending and resuming
- use fake clock for unit tests
- do not return from the syncHandler after worker pods cleanup on
suspend - this allows to continue with the MPIJob update in the same sync
# Conflicts:
# pkg/controller/mpi_job_controller.go
Yuki Iwai
Michał Woźniak