Add: Molecule Tests (#1776) #1221

Job	Run time
setup	1m 21s
test NodeConnection.int.js	5m 3s
test BesuService.int.js	5m 51s
test GethService.int.js	5m 9s
test ErigonService.int.js	5m 57s
test NethermindService.int.js	5m 17s
test FlashbotsMevBoostService.int.js	4m 54s
test PrysmBeaconService.int.js	7m 53s
test LighthouseBeaconService.int.js	6m 39s
test TekuBeaconService.int.js	7m 13s
test NimbusBeaconService.int.js	7m 1s
test LodestarBeaconService.int.js	10m 26s
	1h 12m 44s

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