diff --git a/README.md b/README.md
index e1a73e108..8bfc6e605 100644
--- a/README.md
+++ b/README.md
@@ -60,8 +60,8 @@ We would appreciate any external contributions! 🙏
     * Make sure your task has no more 6.5k instances (input/output pairs).
     * If you're building your tasks based existing datasets and their crowdsourcing templates, see these [guidelines](doc/crowdsourcing.md). 
  * Add your task to [our list of tasks](tasks/README.md).
-
-*TODO:* testing and visualization of the submissions  
+ * To make sure that your addition is formatted correctly, run the tests: `> python src/test_all.py`
+  
  
 If you have any questions or suggestions, please use [the issues](/~https://github.com/allenai/natural-instructions-expansion/issues) feature.  
 
diff --git a/src/test_all.py b/src/test_all.py
index f32683954..2c5c94f48 100644
--- a/src/test_all.py
+++ b/src/test_all.py
@@ -47,3 +47,5 @@
                 assert type(x['output']) == str, f'the output of example {x} is not a string'
                 assert type(x['explanation']) == str, f'the explanation of example {x} is not a string'
 
+
+print("Did not find any errors! ✅")
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