multi client launcher test (#5488)

* Multi-Client LogicalRun degenerate to PhysicalRun

* Add Logical->Physical in Multi-Client for IdGenerator and InstructionsBuilder

* multi client test

Signed-off-by: daquexian <daquexian566@gmail.com>

* auto format by CI

* fix wrong std::shared_ptr

Signed-off-by: daquexian <daquexian566@gmail.com>

* run module api test by test_multi_client/generic_test.sh

Signed-off-by: daquexian <daquexian566@gmail.com>

* fix test script

Signed-off-by: daquexian <daquexian566@gmail.com>

* use oneflow.distributed.launch -m unittest discover instead of bash for loop to speed up the test

Signed-off-by: daquexian <daquexian566@gmail.com>

* update ci/test_multi_client/generic_test.sh

Signed-off-by: daquexian <daquexian566@gmail.com>

Co-authored-by: chengtbf <472491134@qq.com>
Co-authored-by: oneflow-ci-bot <69100618+oneflow-ci-bot@users.noreply.github.com>
Co-authored-by: oneflow-ci-bot <ci-bot@oneflow.org>