diff --git a/tox.ini b/tox.ini
index 4af1091..6fb90cd 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,6 +5,7 @@ isolated_build=true
 
 [testenv]
 passenv =
+    USERNAME
     CI
     GITHUB_ACTIONS
     NUMPY_EXPERIMENTAL_ARRAY_FUNCTION
@@ -15,4 +16,4 @@ deps =
     tensorflow
 
 
-commands = pytest --ignore=tests/functional/ -m "not bioimage_io"
\ No newline at end of file
+commands = pytest --ignore=tests/functional/
\ No newline at end of file