more elegant solution without code duplicate #1430

Job	Run time
Build and cache all tests (release-fast)	51s
Build and cache all tests (release-lto)	3m 0s
ERC20 processor build only	2m 49s
Build and cache all tests (dev)	44s
Fmt and clippy	27s
Payment lib unit test run	59s
Payment tests (basic + multi)	1m 38s
Payment tests (errors)	2m 25s
Payment tests (rpc pool)	59s
Payment tests (custom)	3m 5s
Payment tests (multi)	1m 42s
Test Holesky faucet	5m 5s
	23m 44s

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