add item set with scaffold

spec/views/settings/item_sets/index.html.erb_spec.rb

@@ -0,0 +1,25 @@
+require 'rails_helper'
+
+RSpec.describe "settings/item_sets/index", type: :view do
+  before(:each) do
+    assign(:settings_item_sets, [
+      Settings::ItemSet.create!(
+        :name => "Name",
+        :min_selectable_qty => 2,
+        :max_selectable_qty => 3
+      ),
+      Settings::ItemSet.create!(
+        :name => "Name",
+        :min_selectable_qty => 2,
+        :max_selectable_qty => 3
+      )
+    ])
+  end
+
+  it "renders a list of settings/item_sets" do
+    render
+    assert_select "tr>td", :text => "Name".to_s, :count => 2
+    assert_select "tr>td", :text => 2.to_s, :count => 2
+    assert_select "tr>td", :text => 3.to_s, :count => 2
+  end
+end