utilities to fix LaTeX issues

tests/test_utils_compile.py

@@ -38,6 +38,7 @@ class CompileToPdfTests(unittest.TestCase):
 
             self.assertEqual(output.read_bytes(), b"partial")
             self.assertIn("Warning: LaTeX compilation reported errors", console.getvalue())
+            self.assertIn(utils.LATEX_WARNING_MARKER + str(output.resolve()), console.getvalue())
             self.assertIn("a PDF was generated", console.getvalue())
             self.assertIn("missing \\item", console.getvalue())
 
@@ -69,6 +70,7 @@ class CompileToPdfTests(unittest.TestCase):
 
             self.assertFalse(output.exists())
             self.assertIn("produced no PDF", console.getvalue())
+            self.assertIn(utils.LATEX_WARNING_MARKER + str(output.resolve()), console.getvalue())
 
 
 if __name__ == "__main__":