Reorganized test setup to avoid repeated authentication during tests.

tests.py

@@ -1,15 +1,14 @@
 #!/usr/bin/env python3
 import unittest
-from devops import DEVOPS_SCOPE, Organization, Repository, Project, Item
-from azure.identity import DefaultAzureCredential
+from devops import Organization, Repository, Project, Item
 
-# Example: set up your org here if possible, or mock as needed
-# org = Organization("https://dev.azure.com/mcovsandbox", DefaultAzureCredential().get_token(DEVOPS_SCOPE).token)
+# Setup the Organization object outside the test class to speed up tests.
+# Each Unit test instantinates the class, so doing it here avoids repeated authentication.
+org = Organization("https://dev.azure.com/mcovsandbox")
 
 class TestDevOps(unittest.TestCase):
     def setUp(self):
-        # Set up your Organization object here if possible
-        self.org = Organization("https://dev.azure.com/mcovsandbox", DefaultAzureCredential().get_token(DEVOPS_SCOPE).token)
+        self.org = org
 
     def test_listing_projects_in_organization(self):
         org = self.org