ADD: Validator Reward Stats (#1617) #1087

Job	Run time
setup	1m 23s
test NodeConnection.int.js	4m 35s
test BesuService.int.js	5m 23s
test GethService.int.js	5m 31s
test ErigonService.int.js	5m 29s
test NethermindService.int.js	5m 23s
test FlashbotsMevBoostService.int.js	5m 21s
test PrysmBeaconService.int.js	9m 52s
test LighthouseBeaconService.int.js	7m 4s
test TekuBeaconService.int.js	7m 32s
test NimbusBeaconService.int.js	8m 5s
test LodestarBeaconService.int.js	11m 14s
	1h 16m 52s

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