Spec fixes

spec/acceptance_steps/suppliers/side_menu_steps.rb

@@ -0,0 +1,8 @@
+step "the supplier opens the side menu" do
+  page.execute_script %|$('.toggle-side-menu').click()|
+  sleep 1
+end
+
+step "the supplier name in the side menu should be :name" do |name|
+  expect( find('.side-menu .supplier-name').text ).to eq name
+end