support prometheus metric #36

Job	Run time
build agent and cache	3m 6s
download midwares and cache	5s
set-execution-conditions	7s
Test for spring (1.5.0.RELEASE, Edgware.SR2, 1.5.0.RELEASE)	14m 20s
Test for spring (2.0.2.RELEASE, Finchley.RELEASE, 4.1.3, 2.0.0.RELEASE)	17m 31s
Test for spring (2.1.0.RELEASE, Greenwich.RELEASE, 4.2.6, 2.1.0.RELEASE)	16m 38s
Test for spring (2.2.0.RELEASE, Hoxton.RELEASE, 4.3.6, 2.2.0.RELEASE)	16m 46s
Test for spring (2.3.0.RELEASE, Hoxton.RELEASE, 4.4.1, 2.2.8.RELEASE)	16m 19s
Test for spring (2.4.0, 2020.0.0, 4.5.6, 2021.0.1.0)	13m 10s
Test for spring (2.6.2, 2021.0.0, 4.5.10, 2021.1)	13m 5s
Test for spring (2.7.2, 2021.0.3, 4.5.13)	13m 17s
	2h 4m 24s

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