write produced code in temp file to help debug tests

.gitignore

@@ -6,3 +6,4 @@ __pycache__
 .idea
 dist/
 results*/
+*.candidate.nf
\ No newline at end of file

tests/test_outils.py

+import os
 import unittest
 from src.outils import *
 
@@ -36,6 +37,10 @@ class TestOutils(unittest.TestCase):
     
         with open("tests/ressources/outils/remove_comments_wo.nf", 'r') as f:
             code_wo_comments = f.read()
-        self.assertEqual(remove_comments(code_with_comments), code_wo_comments)
 
+        produced = remove_comments(code_with_comments)
+        with open(candidate := "tests/ressources/outils/remove_comments_wo.candidate.nf", 'w') as f:
+            f.write(produced)
 
+        self.assertEqual(produced, code_wo_comments)
+        os.unlink(candidate)