build-sys/rpm: Disable unit tests if we detect we're in seccomp

Workaround for rpm-software-management/mock#1613 (comment)

Signed-off-by: Colin Walters <walters@verbum.org>

Author: cgwalters

contrib/packaging/bootc.spec

@@ -143,7 +143,11 @@ find %{?buildroot}/%{_docdir} ! -type d -printf '%{_docdir}/%%P\n' > bootcdoclis
 
 %if %{with check}
 %check
-%cargo_test
+if grep -qEe 'Seccomp:.*0$' /proc/self/status; then
+    %cargo_test
+else
+    echo "skipping unit tests due to https://github.com/rpm-software-management/mock/pull/1613#issuecomment-3421908652"
+fi
 %endif
 
 %files -f bootcdoclist.txt