[custom channels]: test forward traffic shaper #1900

Job	Run time
check commits	57s
check commits	57s
integration test	8m 12s
integration test	16m 59s
frontend tests on ubuntu-latest	5m 2s
frontend tests on ubuntu-latest	5m 2s
backend build on ubuntu-latest	5m 59s
backend build on ubuntu-latest	5m 59s
frontend tests on windows-latest	6m 58s
frontend tests on windows-latest	6m 58s
lint	2m 12s
lint	2m 12s
backend build on windows-latest	17m 43s
backend build on windows-latest	17m 43s
frontend tests on macOS-latest	5m 20s
frontend tests on macOS-latest	5m 20s
RPC proto compilation check	3m 58s
RPC proto compilation check	3m 58s
backend build on macOS-latest	7m 57s
backend build on macOS-latest	7m 57s
check release notes updated	3s
check release notes updated	3s
unit tests	52s
unit tests	52s
unit-race	55s
unit-race	55s
	2h 21m 3s

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