dossier: add a stub page for the new dossier details

spec/views/new_user/dossiers/show.html.haml_spec.rb

@@ -0,0 +1,16 @@
+require 'spec_helper'
+
+describe 'new_user/dossiers/show.html.haml', type: :view do
+  let(:dossier) { create(:dossier, :with_service, state: 'brouillon', procedure: create(:procedure)) }
+
+  before do
+    sign_in dossier.user
+    assign(:dossier, dossier)
+  end
+
+  subject! { render }
+
+  it 'affiche les informations du dossier' do
+    expect(rendered).to have_text("Dossier #{dossier.id}")
+  end
+end