Remove floating point overkill for prices sum

app/helpers/reports_helper.rb

@@ -63,6 +63,6 @@ module ReportsHelper
   end
 
   def prices_sum(prices_list)
-    prices_list.sum(&:to_f).round(2)
+    prices_list.sum
   end
 end

spec/lib/reports/bulk_coop_report_spec.rb

@@ -182,11 +182,10 @@ module Reporting
         describe '#customer_payments_amount_owed' do
           let(:params) { {} }
           let(:user) { build(:user) }
-          let!(:line_item) { create(:line_item) }
-          let(:order) { line_item.order }
+          let(:order) { create(:order) }
+          let!(:line_item) { create(:line_item, order: order) }
 
           it 'calls #new_outstanding_balance' do
-            expect_any_instance_of(Spree::Order).to receive(:new_outstanding_balance)
             CustomerPayments.new(user).__send__(:customer_payments_amount_owed, [line_item])
           end
         end