fix: don't try to create non-ascii block codes

Author: kdmccormick

openedx/core/djangoapps/content_libraries/tests/test_content_libraries.py

@@ -306,11 +306,11 @@ def test_library_blocks(self):  # pylint: disable=too-many-statements
         Test the happy path of creating and working with XBlocks in a content
         library.
 
-        Tests with some non-ASCII chars in slugs, titles, descriptions.
+        Tests with some non-ASCII chars in titles and descriptions.
         """
         admin = UserFactory.create(username="Admin", email="admin@example.com", is_staff=True)  # noqa: F841
 
-        lib = self._create_library(slug="téstlꜟط", title="A Tést Lꜟطrary", description="Tésting XBlocks")
+        lib = self._create_library(slug="testlib", title="A Tést Lꜟطrary", description="Tésting XBlocks")
         lib_id = lib["id"]
         assert lib['has_unpublished_changes'] is False
 
@@ -320,9 +320,9 @@ def test_library_blocks(self):  # pylint: disable=too-many-statements
         # Add a 'problem' XBlock to the library:
         create_date = datetime(2024, 6, 6, 6, 6, 6, tzinfo=timezone.utc)  # noqa: UP017
         with freeze_time(create_date):
-            block_data = self._add_block_to_library(lib_id, "problem", "ࠒröblæm1")
+            block_data = self._add_block_to_library(lib_id, "problem", "problem1")
         self.assertDictContainsEntries(block_data, {
-            "id": "lb:CL-TEST:téstlꜟط:problem:ࠒröblæm1",
+            "id": "lb:CL-TEST:testlib:problem:problem1",
             "display_name": "Blank Problem",
             "block_type": "problem",
             "has_unpublished_changes": True,