Set env var with string instead of boolean

tests/test_base_worker.py

@@ -130,7 +130,7 @@ def test_cli_envvar_debug_given(mocker, monkeypatch, mock_worker_run_api):
 
     assert logger.level == logging.NOTSET
     mocker.patch.object(sys, "argv", ["worker"])
-    monkeypatch.setenv("ARKINDEX_DEBUG", True)
+    monkeypatch.setenv("ARKINDEX_DEBUG", "True")
     worker.args = worker.parser.parse_args()
     assert worker.is_read_only is False
     assert worker.worker_version_id == "12341234-1234-1234-1234-123412341234"