add item set with scaffold

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

@@ -0,0 +1,24 @@
+require 'rails_helper'
+
+RSpec.describe "settings/item_sets/new", type: :view do
+  before(:each) do
+    assign(:settings_item_set, Settings::ItemSet.new(
+      :name => "MyString",
+      :min_selectable_qty => 1,
+      :max_selectable_qty => 1
+    ))
+  end
+
+  it "renders new settings_item_set form" do
+    render
+
+    assert_select "form[action=?][method=?]", settings_item_sets_path, "post" do
+
+      assert_select "input[name=?]", "settings_item_set[name]"
+
+      assert_select "input[name=?]", "settings_item_set[min_selectable_qty]"
+
+      assert_select "input[name=?]", "settings_item_set[max_selectable_qty]"
+    end
+  end
+end