From e2ff9503abf269de5ca6eb8910b69ab934a56b4d Mon Sep 17 00:00:00 2001
From: Akira Matsuda <ronnie@dio.jp>
Date: Tue, 23 Dec 2025 19:32:26 +0900
Subject: [PATCH 1/3] Quit from automatic save_screenshot on js: true spec
 failure

we can explicitly save_screenshot anytime if we need it.
---
 spec/rails_helper.rb | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index 114a20949..b390cb745 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -88,13 +88,6 @@
     FactoryBot.reload
   end
 
-  config.after(:each, js: true) do |example|
-    if example.exception
-      screenshot_path = Rails.root.join("tmp/screenshots", "#{method_name}-#{Time.zone.now.strftime("%Y_%m_%d-%H_%M_%S")}.png")
-      Capybara.page.save_screenshot(screenshot_path)
-    end
-  end
-
   config.around(:each, caching: true) do |example|
     Rails.configuration.action_controller.perform_caching = true
     example.run

From fe73ae8e026923380cd460f985b218c95fe5b669 Mon Sep 17 00:00:00 2001
From: Akira Matsuda <ronnie@dio.jp>
Date: Tue, 23 Dec 2025 19:38:30 +0900
Subject: [PATCH 2/3] Configure :headless_chrome driver with options for
 stability

---
 spec/rails_helper.rb | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index b390cb745..e0b4071c5 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -98,8 +98,18 @@
     driven_by :rack_test
   end
 
+  Capybara.register_driver :headless_chrome do |app|
+    options = Selenium::WebDriver::Chrome::Options.new
+    options.add_argument('--headless=new')
+    options.add_argument('--disable-gpu')
+    options.add_argument('--no-sandbox')
+    options.add_argument('--disable-dev-shm-usage')
+    options.add_argument('--window-size=1400,1400')
+    Capybara::Selenium::Driver.new(app, browser: :chrome, options: options)
+  end
+
   config.before type: :system, js: true do
-    driven_by :selenium, using: :headless_chrome, screen_size: [1400, 1400]
+    driven_by :headless_chrome
   end
 
   Capybara.disable_animation = true

From b764d9f87327361dfe0e21d2ed1f6c774cf024ec Mon Sep 17 00:00:00 2001
From: Akira Matsuda <ronnie@dio.jp>
Date: Tue, 23 Dec 2025 19:39:02 +0900
Subject: [PATCH 3/3] Force a fresh browser session for each test to prevent
 state bleeding

---
 spec/rails_helper.rb | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index e0b4071c5..13bb8b0cb 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -112,5 +112,10 @@
     driven_by :headless_chrome
   end
 
+  config.after type: :system, js: true do
+    # Force a fresh browser session for each test to prevent state bleeding
+    Capybara.send(:session_pool).delete_if { |k, _v| k.include?('headless_chrome') }
+  end
+
   Capybara.disable_animation = true
 end