test: Improve specs using page objects

spec/page_objects/base_object.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+class BaseObject
+  include Capybara::DSL
+
+  attr_reader :element, :selector
+
+  def initialize(selector:)
+    @selector = selector
+    @element = find(selector)
+  end
+end