From 59251a5e34c9716ef49821b27089d8a0dd78a4db Mon Sep 17 00:00:00 2001
From: Andreas Perhab <38032588+ap-wtioit@users.noreply.github.com>
Date: Fri, 18 Oct 2019 14:42:00 +0200
Subject: [PATCH] Add a hint to run make clean all

If developers only run make when there is a test failure the clean may not run, so 'make clean all' should be the safe mode to run the tests.
---
 CONTRIBUTING.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index b69134d7..513ed450 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -26,7 +26,7 @@ The development workflow is the following:
 - Run `git submodule init` and `git submodule update` to get the BATS submodules
 - Code :-)
 - Add integration tests in `test/tests.bats`
-- Use `make` to build image locally and run tests
+- Use `make clean all` to build image locally and run tests
   Note that tests work on Linux only; they hang on Mac and Windows.
 - Document your improvements in `README.md` or Wiki depending on content
 - [Commit](https://help.github.com/articles/closing-issues-via-commit-messages/), push and make a pull-request