Merge pull request #15968 from MikeMcQuaid/cask_upgrade_sudo_test_fix

cask/quarantine: don't try to sudo during tests.

Library/Homebrew/cask/artifact/moved.rb

@@ -91,7 +91,7 @@ module Cask
             command.run!("/bin/cp", args: ["-pR", *source.children, target],
                                     sudo: true)
           end
-          Quarantine.copy_xattrs(source, target)
+          Quarantine.copy_xattrs(source, target, command: command)
           source.rmtree
         elsif target.dirname.writable?
           FileUtils.move(source, target)

Library/Homebrew/cask/quarantine.rb

@@ -174,11 +174,11 @@ module Cask
       raise CaskQuarantinePropagationError.new(to, quarantiner.stderr)
     end
 
-    sig { params(from: Pathname, to: Pathname).void }
-    def self.copy_xattrs(from, to)
+    sig { params(from: Pathname, to: Pathname, command: T.class_of(SystemCommand)).void }
+    def self.copy_xattrs(from, to, command:)
       odebug "Copying xattrs from #{from} to #{to}"
 
-      system_command!(
+      command.run!(
         swift,
         args: [
           *swift_target_args,