Adapt Tramp specific tests in eglot-tests.el

* test/lisp/progmodes/eglot-tests.el (tramp): Move up.
(tramp-sh): Don't require.
(eglot--cleanup-after-test): Delete Tramp buffers if needed.
(eglot-tests-lsp-abiding-column): Rename from `eglot-lsp-abiding-column'.
(tramp-histfile-override): Declare.
(eglot--call-with-tramp-test):
Use `ert-remote-temporary-file-directory'.  Skip if needed.
(eglot--tramp-test, eglot--tramp-test-2): Don't skip.

1 files changed, 3 insertions, 2 deletions

diff --git a/test/lisp/progmodes/eglot-tests.el b/test/lisp/progmodes/eglot-tests.el
index 518f8810bdf..725b877fd3c 100644
--- a/test/lisp/progmodes/eglot-tests.el
+++ b/test/lisp/progmodes/eglot-tests.el
@@ -1237,8 +1237,6 @@ GUESSED-MAJOR-MODES-SYM are bound to the useful return values of
 
 (defvar tramp-histfile-override)
 (defun eglot--call-with-tramp-test (fn)
-  (unless (>= emacs-major-version 27)
-    (ert-skip "Eglot Tramp support only on Emacs >= 27"))
   ;; Set up a Tramp method that’s just a shell so the remote host is
   ;; really just the local host.
   (let* ((tramp-remote-path (cons 'tramp-own-remote-path
@@ -1260,6 +1258,9 @@ GUESSED-MAJOR-MODES-SYM are bound to the useful return values of
                 (when (and noninteractive (not (file-directory-p "~/")))
                   (setenv "HOME" temporary-file-directory)))))
          (default-directory temporary-file-directory))
+    ;; We must check the remote LSP server.  So far, just "clangd" is used.
+    (unless (ignore-errors (executable-find "clangd" 'remote))
+      (ert-skip "Remote clangd not found"))
     (funcall fn)))
 
 (ert-deftest eglot-test-tramp-test ()