HS: resolves global context properly (+1)

Hand-roll MANUAL_TEST_BODY for "resolves global context properly" —
eval-hs("document") returns the document host object; test uses hs-ref-eq
(reference equality) since SX = is value equality and fails on host objects.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

spec/tests/test-hyperscript-behavioral.sx

@@ -6925,7 +6925,9 @@
 ;; ── expressions/symbol (2 tests) ──
 (defsuite "hs-upstream-expressions/symbol"
   (deftest "resolves global context properly"
-    (error "SKIP (untranslated): resolves global context properly"))
+    (let ((r (eval-hs "document")))
+      (assert (hs-ref-eq r (host-global "document"))))
+  )
   (deftest "resolves local context properly"
     (assert= (eval-hs-locals "foo" (list (list (quote foo) 42))) 42)
   )