test: use sys.path to add manager

iot/api-client/http_example/cloudiot_http_example_test.py

@@ -22,7 +22,8 @@
 import cloudiot_http_example
 
 # Add manager for bootstrapping device registry / device for testing
-from .. import manager
+sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'manager'))  # noqa
+import manager  # noqa
 
 
 cloud_region = 'us-central1'

iot/api-client/mqtt_example/cloudiot_mqtt_example_test.py

@@ -23,8 +23,9 @@
 from fixtures import test_device_id # noqa
 from fixtures import device_and_gateways # noqa
 # Add manager for bootstrapping device registry / device for testing
-from .. import manager
+sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'manager')) # noqa
 import cloudiot_mqtt_example  # noqa
+import manager  # noqa
 
 
 cloud_region = 'us-central1'

iot/api-client/mqtt_example/cloudiot_mqtt_image_test.py

@@ -17,8 +17,9 @@
 import tempfile
 
 # Add manager as library
+sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'manager'))  # noqa
 import cloudiot_mqtt_image  # noqa
-from .. import manager
+import manager  # noqa
 from fixtures import test_topic  # noqa
 from fixtures import test_subscription  # noqa
 from fixtures import test_registry_id  # noqa

iot/api-client/mqtt_example/fixtures.py

@@ -25,7 +25,8 @@
 import pytest
 
 # Add manager as library
-from .. import manager
+sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'manager')) # noqa
+import manager  # noqa
 
 
 cloud_region = 'us-central1'

iot/api-client/mqtt_example/gateway_demo.py

@@ -20,8 +20,10 @@
 import sys
 import time
 
+sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'manager'))  # noqa
 import cloudiot_mqtt_example  # noqa
-from .. import manager
+import manager  # noqa
+
 
 logging.getLogger('googleapiclient.discovery_cache').setLevel(logging.CRITICAL)