Fix connection-local variables settings

Fix connection-local variables settings

; * etc/NEWS: Fix typos.

* lisp/files-x.el (connection-local-set-profiles)
(connection-local-set-profile-variables): Use NOW when calling
`custom-set-variables'.

* test/lisp/files-x-tests.el
(files-x-test-connection-local-set-profile-variables)
(files-x-test-connection-local-update-profile-variables)
(files-x-test-connection-local-set-profiles)
(files-x-test-hack-connection-local-variables-apply)
(files-x-test-with-connection-local-variables)
(files-x-test-setq-connection-local): Fix tests.

* test/lisp/net/tramp-tests.el (tramp-test34-connection-local-variables)
(tramp-test34-explicit-shell-file-name): Fix tests.