Convert 17 test_global_funcs subtests into test_loader framework for easier maintenance and more declarative way to define expected failures/successes. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Stanislav Fomichev <sdf@google.com> Link: https://lore.kernel.org/bpf/20230216045954.3002473-3-andrii@kernel.org