How to use test_fail_install method in avocado

Best Python code snippet using avocado_python

test_win_updates.py

Source:test_win_updates.py

...394        elif u['id'] == '1abb2377-20ef-43ff-aabc-0de4711ab205':395            assert u['kb'] == ['NET4800']396        else:397            assert False, ("Unknown update in filtered updates %s" % u['id'])398def test_fail_install(monkeypatch):399    reboot_mock = MagicMock()400    reboot_mock.return_value = {'failed': False}401    monkeypatch.setattr(win_updates, 'reboot_host', reboot_mock)402    actual = run_action(monkeypatch, 'failed_install.txt', {403        'category_names': ['SecurityUpdates', 'DefinitionUpdates'],404        'accept_list': ['KB5003171', 'KB2267602'],405    })406    assert reboot_mock.call_count == 0407    assert actual['changed']408    assert actual['failed']409    assert actual['reboot_required']410    assert actual['found_update_count'] == 2411    assert actual['failed_update_count'] == 1412    assert actual['installed_update_count'] == 1...

test_runner_package.py

Source:test_runner_package.py

...73                break74        self.assertEqual(messages[-1]["result"], "pass")75        stdout = b"Package foo already installed"76        self.assertIn(stdout, messages[-3]["log"])77    def test_fail_install(self):78        self.mock_sm.return_value.check_installed = lambda check_installed: False79        self.mock_sm.return_value.install = lambda install: False80        runnable = Runnable(81            kind="package", uri=None, **{"action": "install", "name": "foo"}82        )83        runner = PackageRunner()84        status = runner.run(runnable)85        messages = []86        while True:87            try:88                messages.append(next(status))89            except StopIteration:90                break91        self.assertEqual(messages[-1]["result"], "error")...

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