increase test timing allowance and prevent contextmenu in click test

lib/capybara/spec/session/window/window_spec.rb

@@ -120,7 +120,7 @@ Capybara::SpecHelper.spec Capybara::Window, requires: [:windows] do
 
     after do
       @session.current_window.resize_to(*@initial_size)
-      sleep 0.5
+      sleep 1
     end
 
     it 'should be able to resize window', requires: %i[windows js] do
@@ -194,7 +194,7 @@ Capybara::SpecHelper.spec Capybara::Window, requires: [:windows] do
 
     after do
       @session.current_window.resize_to(*@initial_size)
-      sleep 0.5
+      sleep 1
     end
 
     it 'should be able to fullscreen the window' do

lib/capybara/spec/views/obscured.erb

@@ -3,6 +3,9 @@
     <meta http-equiv="Content-type" content="text/html; charset=utf-8"/>
     <title>with_animation</title>
     <script src="/jquery.js" type="text/javascript" charset="utf-8"></script>
+    <script>
+      $(document).on('contextmenu', function(e){ e.preventDefault(); })
+    </script>
     <style>
       div {
         width: 400px;