Fix failing spec

spec/requests/internal_api/v1/invoices/send_invoice_spec.rb

@@ -29,24 +29,33 @@
         sign_in user
       end
 
-      # it "returns a 202 response" do
-      #   post send_invoice_internal_api_v1_invoice_path(id: invoice.id), params: { invoice_email: },
-      #     headers: auth_headers(user)
+      it "returns a 202 response" do
+        post send_invoice_internal_api_v1_invoice_path(id: invoice.id), params: { invoice_email: },
+          headers: auth_headers(user)
 
-      #   expect(response).to have_http_status :accepted
-      #   expect(json_response["message"]).to eq("Invoice will be sent!")
-      # end
+        expect(response).to have_http_status :accepted
+        expect(json_response["message"]).to eq("Invoice will be sent!")
+      end
 
-      # it "enqueues an email for delivery" do
-      #   expect do
-      #     post send_invoice_internal_api_v1_invoice_path(id: invoice.id), params: { invoice_email: },
-      #       headers: auth_headers(user)
-      #   end.to have_enqueued_mail(InvoiceMailer, :invoice)
-      # end
+      it "enqueues an email for delivery" do
+        expect do
+          post send_invoice_internal_api_v1_invoice_path(id: invoice.id), params: { invoice_email: },
+            headers: auth_headers(user)
+        end.to have_enqueued_mail(InvoiceMailer, :invoice)
+      end
 
       it "changes time_sheet_entries status to billed" do
-        post send_invoice_internal_api_v1_invoice_path(id: invoice.id), params: { invoice_email: },
-          headers: auth_headers(user)
+        expect do
+          post send_invoice_internal_api_v1_invoice_path(id: invoice.id), params: { invoice_email: },
+            headers: auth_headers(user)
+        end.to have_enqueued_mail(InvoiceMailer, :invoice)
+
+        perform_enqueued_jobs do
+          InvoiceMailer.with(
+            invoice_id: invoice.id, subject: invoice_email[:subject],
+            recipients: invoice_email[:recipients], message: invoice_email[:message]).invoice.deliver_later
+        end
+
         invoice.invoice_line_items.reload.each do |line_item|
           expect(line_item.timesheet_entry.bill_status).to eq("billed")
         end