From e4b2866cd015a52973063c0b389cf328ef0b9d18 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Tue, 30 Apr 2019 16:44:12 +0200
Subject: gnu: libplist: Run tests sequentially.

Fixes <https://bugs.gnu.org/35501>.
Reported by Brendan Tildesley <mail@brendan.scot>.

* gnu/packages/libusb.scm (libplist)[arguments]: New field.
---
 gnu/packages/libusb.scm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gnu/packages/libusb.scm b/gnu/packages/libusb.scm
index 61329d27a1..5ef62e47fb 100644
--- a/gnu/packages/libusb.scm
+++ b/gnu/packages/libusb.scm
@@ -314,6 +314,11 @@ wrapper for accessing libusb-1.0.")
                (base32
                 "00pnh9zf3iwdji2faccns7vagbmbrwbj9a8zp9s53a6rqaa9czis"))))
     (build-system gnu-build-system)
+    (arguments
+     ;; Tests fail randomly when run in parallel because several of them write
+     ;; and read to/from the same file--e.g., "4.plist" is accessed by
+     ;; 'large.test' and 'largecmp.test'.
+     '(#:parallel-tests? #f))
     (inputs
      `(("python" ,python)))
     (native-inputs
-- 
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