From 70aac82e6b5ffc315039b41bfaf079a7717253ac Mon Sep 17 00:00:00 2001
From: Martine Lenders <m.lenders@fu-berlin.de>
Date: Wed, 3 Mar 2021 10:40:06 +0100
Subject: [PATCH] riotctrl_shell.tests: add missing method to MockSpawn

---
 dist/pythonlibs/riotctrl_shell/tests/common.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dist/pythonlibs/riotctrl_shell/tests/common.py b/dist/pythonlibs/riotctrl_shell/tests/common.py
index 06538533e6..348c90c5b1 100644
--- a/dist/pythonlibs/riotctrl_shell/tests/common.py
+++ b/dist/pythonlibs/riotctrl_shell/tests/common.py
@@ -15,6 +15,10 @@ class MockSpawn():
         self.before = None
         self.echo = False
 
+    def read_nonblocking(self, size=1, timeout=-1):
+        # do nothing, only used to flush pexpect output
+        pass
+
     def sendline(self, line, *args, **kwargs):
         self.last_command = line
         if self.ctrl.output is None: