vips_driver.rb in capybara-screenshot-diff-1.8.1

- old
+ new

@@ -1,10 +1,10 @@
 # frozen_string_literal: true
 
 begin
   require "vips"
 rescue LoadError => e
-  warn 'Required ruby-vips gem is missing. Add `gem "ruby-vips"` to Gemfile' if e.message.include?("vips")
+  raise 'Required ruby-vips gem is missing. Add `gem "ruby-vips"` to Gemfile' if e.message.match?(/vips/i)
   raise
 end
 
 require "capybara/screenshot/diff/drivers/base_driver"
 