Report skipped checks separately in shell tests

test/shell.d/chromium-claude-test.sh

@@ -6,7 +6,7 @@ source "$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)/base-test.sh"
 
 # Exercise the privileged installer without writing to the host's /usr/share.
 if ! command -v bwrap >/dev/null || ! bwrap --ro-bind / / --unshare-user --uid 0 --gid 0 true 2>/dev/null; then
-  pass "user namespaces unavailable; skipping isolated Claude extension installation"
+  skip "user namespaces unavailable; skipping isolated Claude extension installation"
   exit 0
 fi