Bnot fixes ; Missing énoncés fixes.

tests/test_confirmed_label_regrading.py

@@ -16,6 +16,9 @@ class ConfirmedLabelRegradingTests(unittest.TestCase):
         self.root = Path(temporary.name)
         self.workspace = EvaluationWorkspace(self.root)
         (self.root / 'labels').write_text('Ex 1\nEx 2\n')
+        for mode in ('Text', 'Sol'):
+            (self.root / mode).mkdir()
+            (self.root / mode / 'Ex 1').write_text(f'{mode} material')
         self.group = self.root / 'Par label/Ex 1/Group_1.jpg'
         self.group.parent.mkdir(parents=True)
         self.group.touch()