Update test files for improved Python dependency management

Author: sunnywu

tests/test_bidstream_client.py

@@ -2,7 +2,7 @@
 import unittest
 from unittest.mock import patch
 
-from test_utils import *
+from .test_utils import *
 from uid2_client import BidstreamClient, Uid2Base64UrlCoder, DecryptionStatus, Uid2ClientFactory
 from uid2_client.refresh_response import RefreshResponse
 

tests/test_client.py

@@ -1,7 +1,7 @@
 import unittest
 from unittest.mock import patch
 
-from test_utils import *
+from .test_utils import *
 from uid2_client import *
 from uid2_client.euid_client_factory import EuidClientFactory
 from uid2_client.refresh_response import RefreshResponse

tests/test_encryption.py

@@ -1,6 +1,6 @@
 import unittest
 
-from test_utils import *
+from .test_utils import *
 from uid2_client import *
 
 _master_secret = bytes([139, 37, 241, 173, 18, 92, 36, 232, 165, 168, 23, 18, 38, 195, 123, 92, 160, 136, 185, 40, 91, 173, 165, 221, 168, 16, 169, 164, 38, 139, 8, 155])

tests/test_refresh_keys_util.py

@@ -3,7 +3,7 @@
 from unittest.mock import patch, MagicMock
 
 from uid2_client import refresh_keys_util, Uid2Response
-from test_utils import *
+from .test_utils import *
 from uid2_client.encryption import _encrypt_gcm, _decrypt_gcm
 
 

tests/test_sharing.py

@@ -2,7 +2,7 @@
 from unittest.mock import patch
 
 from uid2_client import *
-from test_utils import *
+from .test_utils import *
 
 import datetime as dt
 

tests/test_sharing_client.py

@@ -2,9 +2,9 @@
 import unittest
 from unittest.mock import patch
 
-from test_utils import *
-from test_bidstream_client import TestBidStreamClient
-from test_encryption import TestEncryptionFunctions
+from .test_utils import *
+from .test_bidstream_client import TestBidStreamClient
+from .test_encryption import TestEncryptionFunctions
 from uid2_client import SharingClient, DecryptionStatus, Uid2ClientFactory
 from uid2_client.encryption_status import EncryptionStatus
 from uid2_client.refresh_response import RefreshResponse