test: sanitize ARGV options

Otherwise, it will use the wrong prefix to test devel/HEAD install.

Library/Homebrew/cmd/test.rb

@@ -34,6 +34,12 @@ module Homebrew
           #{f.path}
         ].concat(ARGV.options_only)
 
+        if f.head?
+          args << "--HEAD"
+        elsif f.devel?
+          args << "--devel"
+        end
+
         if Sandbox.available? && ARGV.sandbox?
           if Sandbox.auto_disable?
             Sandbox.print_autodisable_warning