Update unittest with new export name.

aidge_core/unit_tests/test_export.py

@@ -67,7 +67,7 @@ class test_export(unittest.TestCase):
         initFiller(model)
 
         # Export model
-        aidge_core.export(self.EXPORT_PATH, model)
+        aidge_core.serialize_to_cpp(self.EXPORT_PATH, model)
         self.assertTrue(self.EXPORT_PATH.is_dir(), "Export folder has not been generated")
         os.makedirs(self.EXPORT_PATH / "build", exist_ok=True)