[test] Add more operation tests #1222

Job	Run time
Build application (nanos)	1m 43s
Build application (nanosp)	1m 51s
Build application (nanox)	1m 50s
Build application (stax)	2m 0s
Build application (flex)	2m 3s
build_docker_tezos_ocaml / Build docker image	23s
generate_samples_unit_tests	2m 36s
integration_tests_basic (nanos)	12m 0s
integration_tests_basic (nanosp)	11m 25s
integration_tests_basic (nanox)	11m 35s
integration_tests_basic (stax)	2m 55s
integration_tests_basic (flex)	3m 5s
integration_tests_samples (nanos, micheline)	3m 6s
integration_tests_samples (nanos, operations)	5m 23s
integration_tests_samples (nanosp, micheline)	3m 9s
integration_tests_samples (nanosp, operations)	5m 26s
integration_tests_samples (nanox, micheline)	3m 12s
integration_tests_samples (nanox, operations)	5m 22s
	1h 19m 4s

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