fix: repairs broken config unit-tests

Repairs the `config` unit-tests which were broken with `3.0.4`. It does
so by providing a simple switch that allows us to disable the resolution
of filesystem symlinks when running tests.

cmd/cheat/main.go

@@ -39,7 +39,7 @@ func main() {
 	}
 
 	// initialize the configs
-	conf, err := config.New(opts, confpath)
+	conf, err := config.New(opts, confpath, true)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "failed to load config: %v\n", err)
 		os.Exit(1)