Add test for multi-word key names (`kbd` role) (#10765)

tests/test_markup.py

@@ -299,6 +299,14 @@ def get_verifier(verify, verify_re):
         ('\\sphinxAtStartPar\n'
          '\\sphinxkeyboard{\\sphinxupquote{Caps Lock}}'),
     ),
+    (
+        # kbd role
+        'verify',
+        ':kbd:`sys   rq`',
+        '<p><kbd class="kbd docutils literal notranslate">sys   rq</kbd></p>',
+        ('\\sphinxAtStartPar\n'
+         '\\sphinxkeyboard{\\sphinxupquote{sys   rq}}'),
+    ),
     (
         # non-interpolation of dashes in option role
         'verify_re',