test: add tests for misc treasury-address command

Add unit and integration tests for the treasury-address CLI command
in tests/cli/test_misc.py. Tests cover mocked functionality and help
command verification.

Author: steinerkelvin

tests/cli/test_misc.py

@@ -1,6 +1,5 @@
 from unittest.mock import Mock, patch
 
-import pytest
 from typer.testing import CliRunner
 
 from torusdk.cli.misc import misc_app