Screenshot upload process fixed and tested

test/test_helper.rb

@@ -33,6 +33,9 @@ class ActionDispatch::IntegrationTest
   # Make `assert_*` methods behave like Minitest assertions
   include Capybara::Minitest::Assertions
 
+  # Help simulate logins
+  include Devise::Test::IntegrationHelpers
+
   # Reset sessions and driver between tests
   # Use super wherever this method is redefined in your individual test classes
   def teardown