diff --git a/tests/scenario_deposit.rst b/tests/scenario_deposit.rst
index d2f7f01cd6..303e3ab2ae 100644
--- a/tests/scenario_deposit.rst
+++ b/tests/scenario_deposit.rst
@@ -94,3 +94,18 @@ Recall deposit::
     Decimal('-100.00')
     >>> invoice.untaxed_amount
     Decimal('400.00')
+
+Recall too much::
+
+    >>> deposit_line.unit_price = Decimal('-200.00')
+    >>> deposit_line.save()
+    >>> invoice.click('post')  # doctest: +IGNORE_EXCEPTION_DETAIL
+    Traceback (most recent call last):
+        ...
+    DepositError: ...
+
+Recall available::
+
+    >>> deposit_line.unit_price = Decimal('-100.00')
+    >>> deposit_line.save()
+    >>> invoice.click('post')