[FIX] account_invoice_margin: Remove product_cost_security.group_product_edit_cost from tests

Author: Andrii9090-tecnativa

account_invoice_margin/tests/test_account_invoice_margin.py

@@ -11,12 +11,6 @@ class TestAccountInvoiceMargin(AccountTestInvoicingCommon):
     @classmethod
     def setUpClass(cls):
         super().setUpClass()
-        cls.env.user.groups_id |= cls.env.ref(
-            "product_cost_security.group_product_edit_cost"
-        )
-        cls.env.user.groups_id |= cls.env.ref(
-            "product_cost_security.group_product_cost"
-        )
         cls.product_a.lst_price = 200
         cls.product_a.standard_price = 100
         cls.invoice = cls.init_invoice(