fix: @421 (#769)

Co-authored-by: Anthonios Partheniou <partheniou@google.com>

Author: asthamohta

samples/samples/snippets.py

@@ -2035,7 +2035,7 @@ def create_client_with_query_options(instance_id, database_id):
  spanner_client = spanner.Client(
  query_options={
  "optimizer_version": "1",
- "optimizer_statistics_package": "auto_20191128_14_47_22UTC",
+ "optimizer_statistics_package": "latest",
  }
  )
  instance = spanner_client.instance(instance_id)

samples/samples/snippets_test.py

@@ -627,10 +627,6 @@ def test_query_data_with_query_options(capsys, instance_id, sample_database):
  assert "VenueId: 42, VenueName: Venue 42, LastUpdateTime:" in out
 
 
-@pytest.mark.skip(
- "Failure is due to the package being missing on the backend."
- "See: https://github.com/googleapis/python-spanner/issues/421"
-)
 @pytest.mark.dependency(depends=["insert_datatypes_data"])
 def test_create_client_with_query_options(capsys, instance_id, sample_database):
  snippets.create_client_with_query_options(instance_id, sample_database.database_id)