Report skipped checks separately in shell tests

test/shell.d/tray-menu-test.sh

@@ -25,7 +25,7 @@ trap cleanup EXIT
 require_compositor "tray menu activation test"
 
 if ! command -v quickshell >/dev/null 2>&1; then
-  pass "quickshell not installed; skipping tray menu activation test"
+  skip "quickshell not installed; skipping tray menu activation test"
   exit 0
 fi
 
@@ -36,7 +36,7 @@ python - <<'PY' || {
 import dbus
 import gi
 PY
-  pass "python DBus bindings unavailable; skipping tray menu activation test"
+  skip "python DBus bindings unavailable; skipping tray menu activation test"
   exit 0
 }