Suppress compiler warnings for older Emacsen in tramp-tests.el
* test/lisp/net/tramp-tests.el (tramp-test17-insert-directory): Add error name to test. (tramp-test30-make-process, tramp-test45-unload): Suppress compiler warnings from older Emacsen.
* test/lisp/net/tramp-tests.el (tramp-test17-insert-directory): Add error name to test. (tramp-test30-make-process, tramp-test45-unload): Suppress compiler warnings from older Emacsen.