diff --git a/TODO b/TODO
index 7e6a0a4..6bff189 100644
--- a/TODO
+++ b/TODO
@@ -1,3 +1,7 @@
 - guard rail tests for nonexistent lookups in manager classes
 - custom exception for nonexistent Entity ID
 - custom exception for nonexistent Component ID
+- test component activation
+- test component deactivation
+- test component removal
+- test entity destroy