Replace selenium-webdriver with playwright (#34867)

spec/support/browser_errors.rb

@@ -9,29 +9,36 @@ end
 RSpec.configure do |config|
   config.include BrowserErrorsHelpers, :js, type: :system
 
-  config.before(:each, :js, type: :system) do
+  config.before(:each, :js, type: :system) do |example|
     @ignored_js_errors_for_spec = []
+
+    example.metadata[:js_console_messages] ||= []
+    Capybara.current_session.driver.with_playwright_page do |page|
+      page.on('console', lambda { |msg|
+        example.metadata[:js_console_messages] << { type: msg.type, text: msg.text, location: msg.location }
+      })
+    end
   end
 
-  config.after(:each, :js, type: :system) do
+  config.after(:each, :js, type: :system) do |example|
     # Classes of intermittent ignorable errors
     ignored_errors = [
       /Error while trying to use the following icon from the Manifest/, # https://github.com/mastodon/mastodon/pull/30793
       /Manifest: Line: 1, column: 1, Syntax error/, # Similar parsing/interruption issue as above
     ].concat(@ignored_js_errors_for_spec)
 
-    errors = page.driver.browser.logs.get(:browser).reject do |error|
-      ignored_errors.any? { |pattern| pattern.match(error.message) }
+    errors = example.metadata[:js_console_messages].reject do |msg|
+      ignored_errors.any? { |pattern| pattern.match(msg[:text]) }
     end
 
     if errors.present?
       aggregate_failures 'browser errrors' do
         errors.each do |error|
-          expect(error.level).to_not eq('SEVERE'), error.message
-          next unless error.level == 'WARNING'
+          expect(error[:type]).to_not eq('error'), error[:text]
+          next unless error[:type] == 'warning'
 
           warn 'WARN: browser warning'
-          warn error.message
+          warn error[:text]
         end
       end
     end