[FIX] account: fix the runbot after commit 0e881fcd3a

The previous commit forbids to change the currency of a company having accounting entries, but there are some created by demo data and some tests were trying to set a different currency (to set up a fix environment). So in order to allow that in tests, we do it via a SQL query directly

addons/account/tests/test_payment.py

@@ -17,7 +17,9 @@ class TestPayment(AccountingTestCase):
         self.currency_chf_id = self.env.ref("base.CHF").id
         self.currency_usd_id = self.env.ref("base.USD").id
         self.currency_eur_id = self.env.ref("base.EUR").id
-        self.env.ref('base.main_company').write({'currency_id': self.currency_eur_id})
+
+        company = self.env.ref('base.main_company')
+        self.cr.execute("UPDATE res_company SET currency_id = %s WHERE id = %s", [self.currency_eur_id, company.id])
         self.product = self.env.ref("product.product_product_4")
         self.payment_method_manual_in = self.env.ref("account.account_payment_method_manual_in")
         self.payment_method_manual_out = self.env.ref("account.account_payment_method_manual_out")

addons/account/tests/test_reconciliation.py

@@ -23,7 +23,8 @@ class TestReconciliation(AccountingTestCase):
         self.currency_swiss_id = self.env.ref("base.CHF").id
         self.currency_usd_id = self.env.ref("base.USD").id
         self.currency_euro_id = self.env.ref("base.EUR").id
-        self.env.ref('base.main_company').write({'currency_id': self.currency_euro_id})
+        company = self.env.ref('base.main_company')
+        self.cr.execute("UPDATE res_company SET currency_id = %s WHERE id = %s", [self.currency_euro_id, company.id])
         self.account_rcv = self.env['account.account'].search([('user_type_id', '=', self.env.ref('account.data_account_type_receivable').id)], limit=1)
         self.account_rsa = self.env['account.account'].search([('user_type_id', '=', self.env.ref('account.data_account_type_payable').id)], limit=1)
         self.product = self.env.ref("product.product_product_4")
@@ -477,4 +478,4 @@ class TestReconciliation(AccountingTestCase):
             self.assertEquals(round(aml.debit, 2), line['debit'])
             self.assertEquals(round(aml.credit, 2), line['credit'])
             self.assertEquals(round(aml.amount_currency, 2), line['amount_currency'])
-            self.assertEquals(aml.currency_id.id, line['currency_id'])
+            self.assertEquals(aml.currency_id.id, line['currency_id'])