Fix permissions on extracted files

Author: ianfixes

lib/arduino_ci/arduino_downloader.rb

@@ -142,7 +142,8 @@ def extract
         dots = 0
         zip.each do |file|
           print "." if (dots % batch_size).zero?
-          file.extract(file.name)
+          file.restore_permissions = true
+          file.extract { accept_all }
           dots += 1
         end
       end

spec/arduino_downloader_spec.rb

@@ -59,7 +59,7 @@
       # expect(ad.existing_executable).to be nil
       # expect(ad.force_installed_executable).to be nil
 
-      expect(ad.force_install_location).to eq(File.join(ENV['HOME'], 'arduino_ci_ide'))
+      expect(ad.force_install_location).to eq(File.join(ENV['HOME'], 'Arduino.app'))
     end
 
     it "has correct instance properties" do