Chore: Move the search tests onto the shared indexing fixtures (#14159)

src/documents/tests/search/test_highlight_query_guard.py

@@ -29,8 +29,6 @@ from rest_framework import status
 
 from documents.search._backend import SearchMode
 from documents.search._query import parse_simple_text_highlight_query
-from documents.search._schema import build_schema
-from documents.search._tokenizer import register_tokenizers
 from documents.tests.factories import DocumentFactory
 
 if TYPE_CHECKING:
@@ -55,15 +53,6 @@ _MALFORMED_QUERIES = [
 ]
 
 
-@pytest.fixture(scope="module")
-def query_index() -> tantivy.Index:
-    """An in-memory, unstemmed index for parse-only tests."""
-    schema = build_schema()
-    idx = tantivy.Index(schema, path=None)
-    register_tokenizers(idx, "")
-    return idx
-
-
 class TestParseSimpleTextHighlightQueryDoesNotRaise:
     """The query builder itself must tolerate Tantivy syntax in its tokens."""