1 files changed, 4 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index 30e398ceb..b037e3984 100644
--- a/tox.ini
+++ b/tox.ini
@@ -34,6 +34,9 @@ deps =
 
     # Only require coverage and pytest-cov when using it
     !nocover: -rrequirements/cov-requirements.txt
+
+    # Install pytest-random-order for '-randomized'
+    randomized: pytest-random-order
 passenv =
     ARTIFACT_CACHE_SERVICE
     BST_FORCE_BACKEND
@@ -61,6 +64,7 @@ setenv =
     py{35,36,37}: BST_TEST_XDG_DATA_HOME = {envtmpdir}/share
     # This is required to get coverage for Cython
     py{35,36,37}-!nocover: BST_CYTHON_TRACE = 1
+    randomized: PYTEST_ADDOPTS="--random-order-bucket=global"
 
 whitelist_externals =
     py{35,36,37}: