diff --git a/edi_oca/tests/common.py b/edi_oca/tests/common.py
index ca84243cd..c66fd4912 100644
--- a/edi_oca/tests/common.py
+++ b/edi_oca/tests/common.py
@@ -13,6 +13,7 @@
 )
 
 
+@tagged("-at_install", "post_install")
 class EDIBackendTestMixin:
     @classmethod
     def _setup_context(cls, **kw):