diff --git a/chapter08/procps.xml b/chapter08/procps.xml
index 3f229c713..b592f75c2 100644
--- a/chapter08/procps.xml
+++ b/chapter08/procps.xml
@@ -70,22 +70,17 @@
 <screen revision='sysv'><userinput remap="make">make</userinput></screen>
 <screen revision='systemd'><userinput remap="make">make src_w_LDADD='$(LDADD) -lsystemd'</userinput></screen>
 
-    <para> To run the test suite, run:</para>
+    <!-- To editors: "pmap {X,XX} with unreachable process" tests don't work
+         as root.  They may seem to pass due to some Tcl/Expect/DejaGNU
+         internal hazards with some "luck" though.  -->
+    <para>To run the test suite, run:</para>
 
-<screen><userinput remap="test">make -k check</userinput></screen>
+<screen><userinput remap="test">su tester -c "PATH=$PATH make check"</userinput></screen>
 
     <para>One test named
     <literal>ps with output flag bsdtime,cputime,etime,etimes</literal>
     is known to fail if the host kernel is not built with
-    <literal>CONFIG_BSD_PROCESS_ACCT</literal> enabled.
-    <!-- These two tests just do not work as root but they seem to pass
-         in most time due to some internal hazards of Tcl/Expect/DejaGNU
-         framework.  However the failures have been really observed.
-         TODO: run the test suite as tester after the freeze ends.  -->
-    Two tests named
-    <literal>pmap X with unreachable process</literal> and
-    <literal>pmap XX with unreachable process</literal> are known to
-    fail occasionally.</para>
+    <literal>CONFIG_BSD_PROCESS_ACCT</literal> enabled.</para>
 
     <para>Install the package:</para>