add base feature specs

spec/system/newsletters_spec.rb

@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe 'Newsletter' do
+  let(:user) { create(:user, account: create(:account)) }
+
+  before do
+    sign_in(user)
+    stub_request(:post, Docuseal::NEWSLETTER_URL).to_return(status: 200)
+    visit newsletter_path
+  end
+
+  it 'shows the newsletter page' do
+    expect(page).to have_content('Developer Newsletters')
+    expect(page).to have_button('Submit')
+    expect(page).to have_content('Skip')
+    expect(page).to have_field('user[email]', with: user.email)
+  end
+
+  it 'submits the newsletter form' do
+    click_button 'Submit'
+
+    expect(a_request(:post, Docuseal::NEWSLETTER_URL)).to have_been_made.once
+  end
+
+  it 'skips the newsletter form' do
+    click_on 'Skip'
+
+    expect(page).to have_current_path(root_path, ignore_query: true)
+  end
+end