Add a TODO
diff --git a/TODO.md b/TODO.md
index a8911bf..ace1bc2 100644
--- a/TODO.md
+++ b/TODO.md
@@ -97,6 +97,7 @@
 
 ## Test Case Issues
 
+* add test cases for all ZIP_INCONS detail errors
 * `incons-local-filename-short.zzip` doesn't test short filename, since extra fields fail to parse.
 * test error cases with special source
   - tell it which command should fail