Adjust Program::test_run to work on shared receiver #1657

Job	Run time
Build [features = ['vendored']]	29s
Build [features = ['static']]	27s
Build capable example with static libelf and libz	16s
Build for aarch32	32s
Build for aarch64	45s
Build using minimum versions of dependencies	37s
Run tcp_ca example	25s
Test [stable, dev]	2m 3s
Check documentation	1m 17s
Test [nightly, dev]	1m 53s
Test [stable, release]	2m 38s
Lint with clippy	46s
Check code formatting	12s
	12m 20s

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