[Fix #2105] Fix no comment syntax defined message when loading buffer after running failing test (#2542)

Author: mallt

CHANGELOG.md

@@ -22,6 +22,7 @@
 * Fix jack-in from inside of remote buffers.
 * [#2454](https://github.com/clojure-emacs/cider/pull/2454): Fix erratic inspector behavior when multiple REPLs are connected
 * [#2467](https://github.com/clojure-emacs/cider/pull/2467): Make generic CIDER ops use any available nREPL connection.
+* [#2105](https://github.com/clojure-emacs/cider/issues/2105): Fix no comment syntax defined message when loading buffer after running a failing test.
 
 ### Changes
 

cider-eval.el

@@ -168,7 +168,8 @@ When invoked with a prefix ARG the command doesn't prompt for confirmation."
 (defun cider--quit-error-window ()
   "Buries the `cider-error-buffer' and quits its containing window."
   (when-let* ((error-win (get-buffer-window cider-error-buffer)))
-    (quit-window nil error-win)))
+    (save-excursion
+      (quit-window nil error-win))))
 
 
 ;;; Dealing with compilation (evaluation) errors and warnings