opt in to using corporate azure credintials

Author: sleepyStick

.evergreen/scripts/kms_tester.py

@@ -93,6 +93,8 @@ def setup_kms(sub_test_name: str) -> None:
         return
 
     if sub_test_target == "azure":
+        # Opt in to corporate Azure credentials (DRIVERS-3392). setup-secrets.sh
+        os.environ["FLE_AZURE_USE_CORPORATE"] = "YES"
         run_command("./setup-secrets.sh", cwd=kms_dir)
 
     if success: