refactor: test check_approval #1096

Job	Run time
api-integration-tests-testnet	24m 51s
api-integration-tests-devnet	25m 32s
api-tests	2m 50s
lint	4m 21s
clippy	16m 19s
clippy-ismp	16m 19s
check-ismp	36m 47s
check	34m 27s
coverage	54m 40s
integration-tests	32m 19s
test	55m 41s
	5h 4m 6s

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