[SDK] test: Add e2e test for tune function. #835

Job	Run time
e2e (v1.27.11, long-running-resume,from-volume-resume,median-stop)	1m 57s
e2e (v1.27.11, grid,bayesian-optimization,tpe,multivariate-tpe,cma-es,hyperband)	1m 58s
e2e (v1.27.11, file-metrics-collector,pytorchjob-mnist)	2m 10s
e2e (v1.27.11, median-stop-with-json-format,file-metrics-collector-with-json-format)	2m 12s
e2e (v1.28.7, long-running-resume,from-volume-resume,median-stop)	1m 57s
e2e (v1.28.7, grid,bayesian-optimization,tpe,multivariate-tpe,cma-es,hyperband)	1m 58s
e2e (v1.28.7, file-metrics-collector,pytorchjob-mnist)	1m 56s
e2e (v1.28.7, median-stop-with-json-format,file-metrics-collector-with-json-format)	2m 9s
e2e (v1.29.2, long-running-resume,from-volume-resume,median-stop)	2m 9s
e2e (v1.29.2, grid,bayesian-optimization,tpe,multivariate-tpe,cma-es,hyperband)	2m 8s
e2e (v1.29.2, file-metrics-collector,pytorchjob-mnist)	2m 1s
e2e (v1.29.2, median-stop-with-json-format,file-metrics-collector-with-json-format)	1m 57s
	24m 32s

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