AP-4327: Extend partner flow following outgoings

There was a missing flow step when an applicant has a partner
but has no outgoings

app/services/flow/flows/provider_income.rb

@@ -111,6 +111,8 @@ class ProviderIncome < FlowSteps
               :cash_outgoings
             elsif application.income_types? && !application.uploading_bank_statements?
               :income_summary
+            elsif application.applicant.has_partner_with_no_contrary_interest?
+              :partner_about_financial_means
             else
               :has_dependants
             end

spec/requests/providers/means/identify_types_of_outgoings_controller_spec.rb

@@ -196,6 +196,20 @@
           request
           expect(response).to redirect_to(providers_legal_aid_application_means_has_dependants_path(legal_aid_application))
         end
+
+        context "and there is a partner" do
+          let(:legal_aid_application) do
+            create(:legal_aid_application,
+                   :with_applicant_and_partner,
+                   :with_non_passported_state_machine,
+                   no_debit_transaction_types_selected: true)
+          end
+
+          it "redirects to the about partner financial means page" do
+            request
+            expect(response).to redirect_to(providers_legal_aid_application_partners_about_financial_means_path(legal_aid_application))
+          end
+        end
       end
 
       context "with bank statement upload flow" do