Fix test gating

Signed-off-by: Michel Alexandre Salim <salimma@fedoraproject.org>

rust-sysinfo.spec

@@ -127,6 +127,7 @@ use the "serde" feature of the "%{crate}" crate.
 %install
 %cargo_install
 
+%if %{with check}
 %check
 # skip tests that fail when run on vms, on tmpfs, or in systemd-nspawn
 %if 0%{?fedora} >= 38
@@ -135,7 +136,6 @@ SKIP_TESTS=""
 SKIP_TESTS=" --skip test::check_all_process_uids_resolvable --skip test_disks"
 %endif
 
-%if %{with check}
 %ifarch s390x
 # these tests panic with assertion failures on s390x
 SKIP_TESTS+=" --skip test::check_cpus_number --skip test::check_processes_cpu_usage"