My TC file

capybara_test_spec.rb

require_relative '../specs/capybara_spec'

describe 'First ' do
  context 'Mobile ' do
    it 'Test:' do
      a = Capybara.current_session.driver.browser.app_installed?('com.medtronicndt.envisionpro.mock')
      puts "App Status: " + a.to_s
      expect(a).to be false
    end
  end
end