test_all: allow -list-retries to be overridden on the command line

fstest/test_all/run.go

@@ -336,6 +336,9 @@ func (r *Run) Init() {
 		r.cmdLine = []string{"./" + r.BinaryName()}
 	}
 	r.cmdLine = append(r.cmdLine, prefix+"v", prefix+"timeout", timeout.String(), "-remote", r.Remote)
+	if *listRetries > 0 {
+		r.cmdLine = append(r.cmdLine, "-list-retries", fmt.Sprint(*listRetries))
+	}
 	r.try = 1
 	if *verbose {
 		r.cmdLine = append(r.cmdLine, "-verbose")

fstest/test_all/test_all.go

@@ -42,6 +42,7 @@ var (
 	urlBase      = flag.String("url-base", "https://pub.rclone.org/integration-tests/", "Base for the online version")
 	uploadPath   = flag.String("upload", "", "Set this to an rclone path to upload the results here")
 	verbose      = flag.Bool("verbose", false, "Set to enable verbose logging in the tests")
+	listRetries  = flag.Int("list-retries", -1, "Number or times to retry listing - set to override the default")
 )
 
 // if matches then is definitely OK in the shell