fix(sample): mark a test with flaky (#81)

fixes #75

Author: Takashi Matsuo

asset/snippets/snippets/quickstart_searchallresources_test.py

@@ -46,6 +46,7 @@ def asset_dataset(bigquery_client):
         raise e
 
 
+@pytest.mark.flaky(max_runs=3, min_passes=1)
 def test_search_all_resources(asset_dataset, capsys):
     scope = "projects/{}".format(PROJECT)
     query = "name:{}".format(DATASET)

asset/snippets/snippets/requirements-test.txt

@@ -1,2 +1,3 @@
 backoff==1.10.0
+flaky==3.7.0
 pytest==5.4.3