[skip e2e] Fix typos in code comments (#14396)

Signed-off-by: NBinbin Lv <binbin.lv@zilliz.com>

tests/python_client/testcases/test_search_20.py

@@ -2387,7 +2387,7 @@ class TestSearchBase:
     @pytest.mark.tags(CaseLabel.L2)
     def test_search_index_empty_partition(self, connect, collection, get_simple_index, get_top_k, get_nq):
         """
-        target: test basic search function, all the search params is correct, test all index params, and build
+        target: test basic search function, all the search params are correct, test all index params, and build
         method: add vectors into collection, search with the given vectors, check the result
         expected: the length of the result is top_k, search collection with partition tag return empty
         """