samples: Automl table batch test [(#4267)](GoogleCloudPlatform/python-docs-samples#4267)

* added rtest req.txt

* samples: added automl batch predict test

* added missing package

* Update tables/automl/batch_predict_test.py

Co-authored-by: Bu Sun Kim <[email protected]>

Co-authored-by: Bu Sun Kim <[email protected]>

Author: munkhuushmgl

samples/tables/batch_predict_test.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python
+
+# Copyright 2020 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+
+from google.cloud.automl_v1beta1.gapic import enums
+
+import pytest
+
+import automl_tables_model
+import automl_tables_predict
+import model_test
+
+
+PROJECT = os.environ["GOOGLE_CLOUD_PROJECT"]
+REGION = "us-central1"
+STATIC_MODEL = model_test.STATIC_MODEL
+GCS_INPUT = "gs://{}-automl-tables-test/bank-marketing.csv".format(PROJECT)
+GCS_OUTPUT = "gs://{}-automl-tables-test/TABLE_TEST_OUTPUT/".format(PROJECT)
+
+
+@pytest.mark.slow
+def test_batch_predict(capsys):
+    ensure_model_online()
+    automl_tables_predict.batch_predict(
+        PROJECT, REGION, STATIC_MODEL, GCS_INPUT, GCS_OUTPUT
+    )
+    out, _ = capsys.readouterr()
+    assert "Batch prediction complete" in out
+
+
+def ensure_model_online():
+    model = model_test.ensure_model_ready()
+    if model.deployment_state != enums.Model.DeploymentState.DEPLOYED:
+        automl_tables_model.deploy_model(PROJECT, REGION, model.display_name)
+
+    return automl_tables_model.get_model(PROJECT, REGION, model.display_name)