Revert "Fix test"

This reverts commit 4e322f25bc1494bd9e70b2f9a90fcfc6b32ce742.

testing/lisp/test-org-agenda.el

@@ -157,6 +157,7 @@
      (text-scale-set 11)
      (cl-assert (and (boundp text-scale-mode) text-scale-mode))
      (org-agenda-redo)
+     (should text-scale-mode)
      (should (= 11 text-scale-mode-amount)))
    (org-test-agenda--kill-all-agendas)))