From 13d9135fa5ba628b4b40891ee13b73d1880ae78d Mon Sep 17 00:00:00 2001
From: Julien Chaumond <chaumond@gmail.com>
Date: Wed, 6 Nov 2019 14:44:00 +0000
Subject: [PATCH] [tests] get rid of warning

cf. https://docs.pytest.org/en/latest/example/simple.html
---
 transformers/tests/conftest.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/transformers/tests/conftest.py b/transformers/tests/conftest.py
index 841ebc8df9..44cfe3f464 100644
--- a/transformers/tests/conftest.py
+++ b/transformers/tests/conftest.py
@@ -9,6 +9,10 @@ def pytest_addoption(parser):
     )
 
 
+def pytest_configure(config):
+    config.addinivalue_line("markers", "slow: mark test as slow to run")
+
+
 def pytest_collection_modifyitems(config, items):
     if config.getoption("--runslow"):
         # --runslow given in cli: do not skip slow tests