Make all Tramp tests pass for "gdrive" method

* lisp/net/tramp-gvfs.el (tramp-gvfs-handle-delete-directory)
* lisp/net/tramp-compat.el (tramp-compat-copy-directory)
(tramp-compat-delete-directory):
* lisp/net/tramp-smb.el (tramp-smb-handle-delete-directory):
Use `directory-files-no-dot-files-regexp'.

* lisp/net/tramp-gvfs.el (tramp-gvfs-handler-mounted-unmounted)
(tramp-gvfs-send-command): Call `tramp-flush-file-property' in
case of problems.

* test/lisp/net/tramp-tests.el (tramp--instrument-test-case):
Adapt docstring.
(tramp-test14-delete-directory): Make further tests.

1 files changed, 4 insertions, 2 deletions

diff --git a/test/lisp/net/tramp-tests.el b/test/lisp/net/tramp-tests.el
index fe927bb25fd..f1f722b272b 100644
--- a/test/lisp/net/tramp-tests.el
+++ b/test/lisp/net/tramp-tests.el
@@ -115,8 +115,8 @@ being the result.")
 (defmacro tramp--instrument-test-case (verbose &rest body)
   "Run BODY with `tramp-verbose' equal VERBOSE.
 Print the the content of the Tramp debug buffer, if BODY does not
-eval properly in `should', `should-not' or `should-error'.  BODY
-shall not contain a timeout."
+eval properly in `should' or `should-not'.  `should-error' is not
+handled properly.  BODY shall not contain a timeout."
   (declare (indent 1) (debug (natnump body)))
   `(let ((tramp-verbose ,verbose)
          (tramp-debug-on-error t)
@@ -951,7 +951,9 @@ This tests also `file-directory-p' and `file-accessible-directory-p'."
     (should-not (file-directory-p tmp-name))
     ;; Delete non-empty directory.
     (make-directory tmp-name)
+    (should (file-directory-p tmp-name))
     (write-region "foo" nil (expand-file-name "bla" tmp-name))
+    (should (file-exists-p (expand-file-name "bla" tmp-name)))
     (should-error (delete-directory tmp-name))
     (delete-directory tmp-name 'recursive)
     (should-not (file-directory-p tmp-name))))