fix image link

Author: lbeurerkellner

TODO.md

@@ -0,0 +1,16 @@
+# TODO `testing` chapters
+
+## Release
+
+* Complete information about Matchers (more matchers)
+* Complete information about Integrations
+* Example Agent on top-level (agent + full test suite)
+* More illustrations
+    - Traces should include an illustration of an example trace
+* How to build custom matchers
+* Document how to run tests in parallel
+
+
+## Longer Term
+* Parameterized tests (e.g. with prompt templates)
+* Parallelized tests

docs/testing/Running_Tests/Visual_Debugger.md

@@ -12,7 +12,7 @@ invariant test --push
 
 The Explorer can render long-form agent traces in a more readable format, and it can also display test result and localized assertions down to the character level.
 
-![Explorer](assets/explorer.png)
+![Explorer](../assets/explorer.png)
 
 <center>Viewing test results in Explorer</center>