diff --git a/tox.ini b/tox.ini
index bd564415b7..b18968cef9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,6 +10,10 @@ setenv = VIRTUAL_ENV={envdir}
          PYTHONDONTWRITEBYTECODE=1
          LANGUAGE=en_US
          LC_ALL=en_US.UTF-8
+         OS_LOG_CAPTURE={env:OS_LOG_CAPTURE:true}
+         OS_STDOUT_CAPTURE={env:OS_STDOUT_CAPTURE:true}
+         OS_STDERR_CAPTURE={env:OS_STDERR_CAPTURE:true}
+         OS_TEST_TIMEOUT={env:OS_TEST_TIMEOUT:30}
          PYTHONUNBUFFERED=1
          SQLALCHEMY_WARN_20=true
 deps =