[IMP] account_invoice_report_grouped_by_picking: test performance imp…

…rovement

- Include context keys for avoiding mail operations overhead.

account_invoice_report_grouped_by_picking/tests/test_account_invoice_group_picking.py

@@ -13,6 +13,16 @@ class TestAccountInvoiceGroupPicking(TransactionCase):
     @classmethod
     def setUpClass(cls):
         super(TestAccountInvoiceGroupPicking, cls).setUpClass()
+        cls.env = cls.env(
+            context=dict(
+                cls.env.context,
+                mail_create_nolog=True,
+                mail_create_nosubscribe=True,
+                mail_notrack=True,
+                no_reset_password=True,
+                tracking_disable=True,
+            )
+        )
         cls.currency_usd = cls.env.ref("base.USD")
         cls.currency_usd.active = True
         # Make sure the currency of the company is USD, as this not always happens