From b00b286a1d9faec0ef15c08b87664bc94aa8c239 Mon Sep 17 00:00:00 2001
From: Martine Lenders <m.lenders@fu-berlin.de>
Date: Wed, 11 Jan 2023 12:54:54 +0100
Subject: [PATCH] boards: common: stdio_cdc_acm: let tests wait a bit for
 serial port

---
 boards/common/makefiles/stdio_cdc_acm.dep.mk | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/boards/common/makefiles/stdio_cdc_acm.dep.mk b/boards/common/makefiles/stdio_cdc_acm.dep.mk
index cbd3047533..140bf7114a 100644
--- a/boards/common/makefiles/stdio_cdc_acm.dep.mk
+++ b/boards/common/makefiles/stdio_cdc_acm.dep.mk
@@ -8,4 +8,9 @@ ifeq (,$(filter-out stdio_cdc_acm,$(filter stdio_% slipdev_stdio,$(USEMODULE))))
     USEMODULE += stdio_cdc_acm
   endif
   FEATURES_REQUIRED += highlevel_stdio
+
+  # Enforce tests to wait a bit for the serial port after reset
+  TERM_DELAY ?= 2
+  TESTRUNNER_CONNECT_DELAY ?= $(TERM_DELAY)
+  $(call target-export-variables,test,TESTRUNNER_CONNECT_DELAY)
 endif