Revised the parse_query_keywords utility to handle the case with an open double quotation mark without its corresponding close double quotation mark.

tests/test_utils.py

@@ -104,10 +104,10 @@ class QueryKeywordParserTestCase(unittest.TestCase):
 
         :return: None.
         """
+        self.assertEqual(parse_query_keywords("coffee \"tea cake"),
+                         ["coffee", "tea cake"])
         self.assertEqual(parse_query_keywords("coffee te\"a ca\"ke"),
                          ["coffee", "te\"a", "ca\"ke"])
-        self.assertEqual(parse_query_keywords("coffee \"tea cake"),
-                         ["coffee", "\"tea", "cake"])
 
     def test_empty(self) -> None:
         """Tests the empty query.