The test case below relies on /etc/groups and similar info that is
not available in chroot builds, so skip it.

--- scheme48-1.9/scheme/posix/check.scm	2013-05-11 21:55:36.000000000 +0200
+++ scheme48-1.9/scheme/posix/check.scm	2013-05-11 21:55:40.000000000 +0200
@@ -229,29 +229,7 @@
 
 ; This assumes that we are not running as root and that / is owned by root.
 
-(define-test-case users&groups posix-core-tests
-  (let ((my-info (get-file-info directory-name))
-	(root-info (get-file-info "/")))
-    (let ((my-user (user-id->user-info (file-info-owner my-info)))
-	  (root-user (user-id->user-info (file-info-owner root-info)))
-	  (my-group (group-id->group-info (file-info-group my-info)))
-	  (root-group (group-id->group-info (file-info-group root-info))))
-      (let ((my-other-user (name->user-info (user-info-name my-user)))
-	    (my-other-group (name->group-info (group-info-name my-group))))
-	(check-that (file-info-owner my-info)
-		    (is user-id=? (user-info-id my-user)))
-	(check-that (file-info-owner root-info)
-</td></tr></table>
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