* gdb.base/signals.exp (test_handle_all_print): Test separately for

	* gdb.base/signals.exp (test_handle_all_print): Test separately for
	each signal's status in the output of "handle all print".
	* lib/gdb.exp (gdb_test): Document that the pattern must NOT include
	the \r\n sequence that immediately precedes the gdb prompt.
	* gdb.base/a1-selftest.exp: Save original timeout and restore
	after test.