test exception raise for invalid session name

Author: tony

tests/test_cli.py

@@ -270,14 +270,15 @@ def test_load_workspace(server, monkeypatch):
 
 
 def test_regression_00132_session_name_with_dots(tmpdir, server, session):
-    server.new_session('any session')
     yaml_config = curjoin("workspacebuilder/regression_00132_dots.yaml")
     cli_args = [yaml_config]
-    inputs = ['\n']
+    inputs = []
     runner = CliRunner()
     result = runner.invoke(
-        cli.command_load, cli_args, input=''.join(inputs))
-    assert 'already running' not in result.output
+        cli.command_load, cli_args, input=''.join(inputs),
+        standalone_mode=False)
+    assert result.exception
+    assert isinstance(result.exception, libtmux.exc.BadSessionName)
 
 
 @pytest.mark.parametrize("cli_args", [