1 files changed, 7 insertions, 0 deletions
diff --git a/tox.ini b/tox.ini
index 847a2fbd..5257f9e3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -133,3 +133,10 @@ commands = {envpython} -m tests.cloud_tests {posargs}
 passenv = HOME TRAVIS
 deps =
     -r{toxinidir}/integration-requirements.txt
+
+[pytest]
+# TODO: s/--strict/--strict-markers/ once xenial support is dropped
+addopts = --strict
+markers =
+    allow_subp_for: allow subp usage for the given commands (disable_subp_usage)
+    allow_all_subp: allow all subp usage (disable_subp_usage)