remove relative imports from tests

Author: dandye

common/chronicle_auth_test.py

@@ -21,7 +21,7 @@
 from unittest import mock
 from google.oauth2 import service_account
 
-from . import chronicle_auth
+import chronicle_auth
 
 
 class ChronicleAuthTest(unittest.TestCase):

common/datetime_converter_test.py

@@ -17,7 +17,7 @@
 import datetime
 import unittest
 
-from . import datetime_converter
+import datetime_converter
 
 
 class DatetimeConverterTest(unittest.TestCase):

common/regions_test.py

@@ -16,7 +16,7 @@
 
 import unittest
 
-from . import regions
+import regions
 
 
 class RegionsTest(unittest.TestCase):