test_shell AssertionError: Expected 'activate' to be called once. Called 0 times.

test__is_venv_activated[None-foo-foobar-False] assert True is False + where True = _is_venv_activated() + where _is_venv_activated = <poetry_plugin_shell.command.ShellCommand object at 0x1057ac4f0>._is_venv_activated + where <poetry_plugin_shell.command.ShellCommand object at 0x1057ac4f0> = <cleo.testers.command_tester.CommandTester object at 0x1057ac250>.command

test__is_venv_activated[None-None--False] assert True is False + where True = _is_venv_activated() + where _is_venv_activated = <poetry_plugin_shell.command.ShellCommand object at 0x1080ea160>._is_venv_activated + where <poetry_plugin_shell.command.ShellCommand object at 0x1080ea160> = <cleo.testers.command_tester.CommandTester object at 0x1080ea2e0>.command

Process completed with exit code 1.