fix one flaky test

spec/integration/balancing_spec.rb

@@ -14,25 +14,32 @@ feature 'settling an order', js: true do
   let(:goa2) { create(:group_order_article, group_order: go2, order_article: oa) }
 
   before do
+    Rails.cache.clear
+    login admin
     goa1.update_quantities(3, 0)
     goa2.update_quantities(1, 0)
     oa.update_results!
+    oa.reload
+    order.reload
     order.finish!(admin)
     goa1.reload
     goa2.reload
+    visit new_finance_order_path(order_id: order.id)
   end
 
-  before { visit new_finance_order_path(order_id: order.id) }
-  before { login admin }
+  after do
+    Rails.cache.clear
+  end
 
   it 'has correct order result' do
+    oa.reload
     expect(oa.quantity).to eq(4)
     expect(oa.tolerance).to eq(0)
     expect(goa1.result).to eq(3)
     expect(goa2.result).to eq(1)
   end
 
-  it 'has product ordered visible' do
+  it 'has product ordered visible', js: true do
     expect(page).to have_content(article.name)
     expect(page).to have_selector("#order_article_#{oa.id}")
   end