Index: openacs-4/packages/acs-authentication/tcl/test/acs-authentication-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-authentication/tcl/test/acs-authentication-procs.tcl,v
diff -u -r1.53.2.14 -r1.53.2.15
--- openacs-4/packages/acs-authentication/tcl/test/acs-authentication-procs.tcl	13 Oct 2020 07:07:22 -0000	1.53.2.14
+++ openacs-4/packages/acs-authentication/tcl/test/acs-authentication-procs.tcl	13 Oct 2020 08:24:08 -0000	1.53.2.15
@@ -904,6 +904,8 @@
 
             aa_equals "Authentication OK" $result(auth_status) "ok"
 
+        } -teardown_code {
+            ad_parameter_cache -delete [ad_acs_kernel_id] UseEmailForLoginP
         }
 }