Add Ruby 3 to build matrix

Author: route

.github/workflows/tests.yml

@@ -13,7 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         gemfile: [websocket-driver-0.6.x, websocket-driver-0.7.x]
-        ruby: [2.5, 2.6, 2.7]
+        ruby: [2.5, 2.6, 2.7, 3.0]
 
     runs-on: ubuntu-latest
     env:

lib/ferrum/proxy.rb

@@ -6,8 +6,8 @@
 
 module Ferrum
   class Proxy
-    def self.start(*args)
-      new(*args).tap(&:start)
+    def self.start(**args)
+      new(**args).tap(&:start)
     end
 
     attr_reader :host, :port, :user, :password

spec/screenshot_spec.rb

@@ -142,6 +142,9 @@ def create_screenshot(**options)
             expect { browser.screenshot(path: file, full: true) }
               .to raise_exception(StandardError)
 
+            # Fix Ruby 3 `and_call_original` bug
+            RSpec::Mocks.space.proxy_for(browser.page).reset
+
             expect(File.exist?(file)).not_to be
             expect(browser.viewport_size).to eq([100, 100])
           end