From a7c9079eb74c2d363cb4fc8ad685551ed046df3f Mon Sep 17 00:00:00 2001
From: Kaspar Schleiser <kaspar@schleiser.de>
Date: Thu, 25 Apr 2019 16:59:45 +0200
Subject: [PATCH 1/2] murdock: enable on-hardware tests on esp32-wroom-32

---
 .murdock | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.murdock b/.murdock
index 8cc3269d946b..e845d7311575 100755
--- a/.murdock
+++ b/.murdock
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-: ${TEST_BOARDS_AVAILABLE:="nrf52dk samr21-xpro"}
+: ${TEST_BOARDS_AVAILABLE:="esp32-wroom-32 nrf52dk samr21-xpro"}
 : ${TEST_BOARDS_LLVM_COMPILE:="iotlab-m3 native nrf52dk mulle nucleo-f401re samr21-xpro slstk3402a"}
 
 export RIOT_CI_BUILD=1

From f88d55cf9de68854239918997b88a6c8e0e5a4d0 Mon Sep 17 00:00:00 2001
From: Kaspar Schleiser <kaspar@schleiser.de>
Date: Wed, 27 Nov 2019 12:36:05 +0100
Subject: [PATCH 2/2] tests/driver_hd44780: disable CI for esp32-wroom-32

---
 tests/driver_hd44780/Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/driver_hd44780/Makefile b/tests/driver_hd44780/Makefile
index 644a00d54e99..e0db2b706b2a 100644
--- a/tests/driver_hd44780/Makefile
+++ b/tests/driver_hd44780/Makefile
@@ -2,4 +2,8 @@ include ../Makefile.tests_common
 
 USEMODULE += hd44780
 
+# Fails on esp32 because the driver defines default GPIOs that are used for the
+# SPI flash interface.
+TEST_ON_CI_BLACKLIST += esp32-wroom-32
+
 include $(RIOTBASE)/Makefile.include