From 8ab611f8c7eb43e45ce7ef06f4b6502dd16609e2 Mon Sep 17 00:00:00 2001
From: Everton Fraga <ev@ethereum.org>
Date: Thu, 8 Oct 2020 04:00:53 -0400
Subject: [PATCH] tx: karma concurrency to 1

---
 packages/tx/karma.conf.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/tx/karma.conf.js b/packages/tx/karma.conf.js
index 61dc91c3404..413873c1032 100644
--- a/packages/tx/karma.conf.js
+++ b/packages/tx/karma.conf.js
@@ -10,6 +10,7 @@ module.exports = function (config) {
       './test-build/**/*.js': ['browserify'],
     },
     browsers: ['FirefoxHeadless', 'ChromeHeadless'],
+    concurrency: 1,
     singleRun: true,
   })
 }