Fix RuboCop linter failure

Author: p0deje

rb/spec/unit/selenium/webdriver/remote/w3c/capabilities_spec.rb

@@ -31,7 +31,7 @@ module W3C
           it 'converts noProxy from string to array' do
             proxy = Selenium::WebDriver::Proxy.new(no_proxy: 'proxy_url, localhost')
             caps = described_class.new(proxy: proxy)
-            expect(caps.as_json['proxy']['noProxy']).to eq(['proxy_url', 'localhost'])
+            expect(caps.as_json['proxy']['noProxy']).to eq(%w[proxy_url localhost])
           end
 
           it 'does not convert noProxy if it is already array' do