LG-11803 Add Cancel button to the How to Verify Page

app/views/idv/how_to_verify/show.html.erb

@@ -87,3 +87,4 @@
         },
       ],
     ) %>
+<%= render 'idv/doc_auth/cancel', step: 'how_to_verify' %>

spec/views/idv/how_to_verify/show.html.erb_spec.rb

@@ -0,0 +1,43 @@
+require 'rails_helper'
+
+RSpec.describe 'idv/how_to_verify/show.html.erb' do
+  selection = Idv::HowToVerifyForm::IPP
+  let(:idv_how_to_verify_form) do
+    Idv::HowToVerifyForm.new(selection: selection)
+  end
+
+  before do
+    allow(view).to receive(:user_signing_up?).and_return(false)
+
+    assign :idv_how_to_verify_form, idv_how_to_verify_form
+    render
+  end
+
+  context 'renders the show template with' do
+    it 'a title and info text' do
+      expect(rendered).to have_content(t('doc_auth.headings.how_to_verify'))
+      expect(rendered).to have_content(t('doc_auth.info.how_to_verify'))
+    end
+
+    it 'two options for verifying your identity' do
+      expect(rendered).to have_content(t('doc_auth.headings.verify_online'))
+      expect(rendered).to have_content(t('doc_auth.headings.verify_at_post_office'))
+    end
+
+    it 'a continue button' do
+      expect(rendered).to have_button(t('forms.buttons.continue'))
+    end
+
+    it 'a troubleshooting section' do
+      expect(rendered).to have_content(
+        t('doc_auth.info.how_to_verify_troubleshooting_options_header'),
+      )
+      expect(rendered).to have_link(t('doc_auth.info.verify_online_link_text'))
+      expect(rendered).to have_link(t('doc_auth.info.verify_at_post_office_link_text'))
+    end
+
+    it 'a cancel link' do
+      expect(rendered).to have_link(t('links.cancel'))
+    end
+  end
+end