[RFR] mis_template_financial_report: make horizontal rendering optional

mis_template_financial_report/tests/test_mis_template_financial_report.py

@@ -1,4 +1,5 @@
 # Copyright 2020 Hunki Enterprises BV
+# Copyright 2021 Opener B.V. <stefan@opener.am>
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
 from odoo.addons.mis_builder.tests.test_mis_report_instance import TestMisReportInstance
 
@@ -11,5 +12,7 @@ class TestMisTemplateFinancialReport(TestMisReportInstance):
                 "report_id": self.env.ref("mis_template_financial_report.report_bs").id,
             }
         )
+        self.assertTrue(instance.allow_horizontal)
+        instance.horizontal = True
         result_dict = instance.compute()
         self.assertEqual(len(result_dict.get("horizontal_matrices", [])), 2)