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How to use dont_extend_css_handler method of CSSHandlerIncludeTester Package
Best Capybara code snippet using CSSHandlerIncludeTester.dont_extend_css_handler
rack_test_spec.rb
Source:rack_test_spec.rb 
...143 end144 end145end146module CSSHandlerIncludeTester147 def dont_extend_css_handler148 raise 'should never be called'149 end150end151include CSSHandlerIncludeTester152RSpec.describe Capybara::RackTest::CSSHandlers do153 it "should not be extended by global includes" do154 expect(Capybara::RackTest::CSSHandlers.new).not_to respond_to(:dont_extend_css_handler)155 end156end...
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