Close revoke deploy token modal on escape keypress

app/views/projects/deploy_tokens/_revoke_modal.html.haml

-.modal{ id: "revoke-modal-#{token.id}" }
+.modal{ id: "revoke-modal-#{token.id}", tabindex: -1 }
   .modal-dialog
     .modal-content
       .modal-header

changelogs/unreleased/close-revoke-deploy-token-modal-on-escape-keypress.yml

+---
+title: Close revoke deploy token modal on escape keypress
+merge_request: 20347
+author: George Tsiolis
+type: changed

spec/features/projects/settings/user_sees_revoke_deploy_token_modal_spec.rb

+require 'rails_helper'
+
+describe 'Repository Settings > User sees revoke deploy token modal', :js do
+  let(:project) { create(:project, :public, :repository) }
+  let(:user) { project.creator }
+  let(:role) { :developer }
+  let!(:deploy_token) { create(:deploy_token, :gitlab_deploy_token, projects: [project]) }
+
+  before do
+    project.add_role(user, role)
+    sign_in(user)
+    visit(project_settings_repository_path(project))
+    click_link('Revoke')
+  end
+
+  it 'shows the revoke deploy token modal' do
+    expect(page).to have_content('You are about to revoke')
+  end
+
+  it 'closes the revoke deploy token modal with escape keypress' do
+    find('.modal.show').send_keys(:escape)
+
+    expect(page).not_to have_content('You are about to revoke')
+  end
+end