only wait in async case

Author: Danny McClanahan

tests/markdown-test.el

@@ -3836,7 +3836,7 @@ Detail: https://github.com/jrblevin/markdown-mode/issues/79"
                             'markdown-test-set-window-width)
          (ad-activate #'eww-open-file))
     `(progn
-       (ad-enable-advice #'get-buffer-create 'before 
+       (ad-enable-advice #'get-buffer-create 'before
                          'markdown-set-window-width-mock)
        (ad-activate #'get-buffer-create)
        ,@body
@@ -3877,8 +3877,8 @@ Detail: https://github.com/jrblevin/markdown-mode/issues/79"
           (markdown-initial-window-create-advice
            (if markdown-live-preview-do-sync
                (markdown-live-preview-sync-export)
-             (markdown-live-preview-async-export))
-           (markdown-test/live-preview-wait)
+             (markdown-live-preview-async-export)
+             (markdown-test/live-preview-wait))
            (should (eq t markdown-test-hit-advice))
            (setq markdown-test-hit-advice nil))
           (setq markdown-test-eww-window
@@ -3887,8 +3887,8 @@ Detail: https://github.com/jrblevin/markdown-mode/issues/79"
           (with-selected-window (get-buffer-window md-buf)
             (if markdown-live-preview-do-sync
                 (markdown-live-preview-sync-export)
-              (markdown-live-preview-async-export))
-            (markdown-test/live-preview-wait)
+              (markdown-live-preview-async-export)
+              (markdown-test/live-preview-wait))
             ;; at this point, `eww-render' should have finished, and eww should
             ;; have redisplayed. the advice checks that, since there was a
             ;; single window displaying the *eww* buffer, that window was used