Driver reset! should close all but 1 window

lib/capybara/selenium/driver.rb

@@ -108,6 +108,8 @@ class Capybara::Selenium::Driver < Capybara::Driver::Base
     # Use instance variable directly so we avoid starting the browser just to reset the session
     return unless @browser
 
+    window_handles.reject { |handle| handle == current_window_handle }.each { |win| close_window(win) }
+
     navigated = false
     start_time = Capybara::Helpers.monotonic_time
     begin

lib/capybara/spec/session/reset_session_spec.rb

@@ -63,6 +63,24 @@ Capybara::SpecHelper.spec '#reset_session!' do
     expect(@session.current_path).to eq("/")
   end
 
+  it "closes extra windows", requires: [:windows] do
+    @session.visit('/with_html')
+    @session.open_new_window
+    @session.open_new_window
+    expect(@session.windows.size).to eq 3
+    @session.reset_session!
+    expect(@session.windows.size).to eq 1
+  end
+
+  it "closes extra windows when not on the first window", requires: [:windows] do
+    @session.visit('/with_html')
+    @session.switch_to_window(@session.open_new_window)
+    @session.open_new_window
+    expect(@session.windows.size).to eq 3
+    @session.reset_session!
+    expect(@session.windows.size).to eq 1
+  end
+
   context "When reuse_server == false" do
     before do
       @reuse_server = Capybara.reuse_server