persist partial financial form data if task order number not found

tests/forms/test_financial.py

@@ -71,13 +71,14 @@ def test_ba_code_validation(input_, expected):
 
 def test_task_order_number_validation(monkeypatch):
     monkeypatch.setattr("atst.domain.task_orders.TaskOrders._client", lambda: MockEDAClient())
+    monkeypatch.setattr("atst.forms.financial.validate_pe_id", lambda *args: True)
     form_invalid = FinancialForm(data={"task_order_number": "1234"})
-    form_invalid.validate()
+    form_invalid.perform_extra_validation({})
 
     assert "task_order_number" in form_invalid.errors
 
     form_valid = FinancialForm(data={"task_order_number": MockEDAClient.MOCK_CONTRACT_NUMBER}, eda_client=MockEDAClient())
-    form_valid.validate()
+    form_valid.perform_extra_validation({})
 
     assert "task_order_number" not in form_valid.errors