[BigDL2.0 k8s] add tests for chronos/friesian and dllib scala

[Le-Zheng]

• dllib scala examples
• chronos
• friesian

chronos:
jenkins link: http://10.112.231.51:18888/view/BigDL-2.0-NB/job/BigDL2.0-K8s-ExampleTests-scala/

Module	Example	Client Mode	Cluster mode
nnframes	imageInference	Succeed	Succeed
nnframes	transferLearning	Succeed	Succeed
inception	inceptionV1	Succeed	Succeed
keras	keras.Train	Succeed	Succeed
languagemodel	PTBWordLM	Succeed	Succeed

chronos:
jenkins link: http://10.112.231.51:18888/view/BigDL-2.0-NB/job/BigDL2.0-K8s-ExampleTests-chronos/

Module	Example	Client Mode
auto_model	autolstm_nyc_taxi.py
auto_model	autoprophet_nyc_taxi.py
distributed	distributed_training_network_traffic.py
onnx	onnx_autotsestimator_nyc_taxi.py
onnx	onnx_forecaster_network_traffic.py
tcmf	run_electricity.py

friesian:
jenkins link: http://10.112.231.51:18888/view/BigDL-2.0-NB/job/BigDL2.0-K8s-ExampleTests-friesian/

Module	Example	Client Mode
dien		Succeed
dlrm		Succeed
ncf		Succeed
two_tower		Succeed
wnd		Succeed

[liangs6212]

chronos:

Module	Example	Client Mode
auto_model	autolstm_nyc_taxi.py	#22
auto_model	autoprophet_nyc_taxi.py	#22
distributed	distributed_training_network_traffic.py	Succeed
onnx	onnx_autotsestimator_nyc_taxi.py	#22
onnx	onnx_forecaster_network_traffic.py	#22
tcmf	run_electricity.py	Succeed