note where table is tested

contrib/auditor-report.tex.j2

@@ -443,6 +443,8 @@ the (hash of the) denomination public key for
 ``payback-verify'' and ``deposit-verify'' operations, and the master
 public key for ``payback-master'' operations.
 
+% Table generation tested by testcase #4 in test-auditor.sh
+
 {% if data.bad_sig_losses|length() == 0 %}
   {\bf All signatures were valid.}
 {% else %}