test_other_error AssertionError: assert False + where False = <built-in method startswith of str object at 0x000001F7811D98F0>('Package operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 D:/a/poetry/poetry/tests/fixtures/non-existing)\n\n FileNotFoundError\n') + where <built-in method startswith of str object at 0x000001F7811D98F0> = 'Package operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 D:/a/poetry/poetry/tests/fixtures/non-existing)'.startswith

test_execute_should_show_errors AssertionError: assert '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing clikit (0.2.3)\n\n Exception\n\n It failed!\n' in '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing clikit (0.2.3)\n' + where '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing clikit (0.2.3)\n' = fetch_output() + where fetch_output = <cleo.io.buffered_io.BufferedIO object at 0x000001F781EF6A50>.fetch_output

test_build_system_requires_install_failure AssertionError: assert False + where False = <built-in method startswith of str object at 0x000001F78340C030>('Package operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 D:/a/poetry/poetry/tests/fixtures/simple_project)\n\n IsolatedBuildInstallError\n\n Failed to install poetry-core>=1.1.0a7.\n \n Output:\n output\n \n Error:\n error\n\n') + where <built-in method startswith of str object at 0x000001F78340C030> = 'Package operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 D:/a/poetry/poetry/tests/fixtures/simple_project)'.startswith

test_build_backend_errors_are_reported_correctly_if_caused_by_subprocess[True-exception0-get_requires_for_build] ImportError: cannot import name 'ExceptionTrace' from 'cleo.ui.exception_trace' (C:\Users\runneradmin\AppData\Local\pypoetry\Cache\virtualenvs\poetry-irm2WMyr-py3.13\Lib\site-packages\cleo\ui\exception_trace\__init__.py)

test_build_backend_errors_are_reported_correctly_if_caused_by_subprocess[True-exception1-get_requires_for_build] ImportError: cannot import name 'ExceptionTrace' from 'cleo.ui.exception_trace' (C:\Users\runneradmin\AppData\Local\pypoetry\Cache\virtualenvs\poetry-irm2WMyr-py3.13\Lib\site-packages\cleo\ui\exception_trace\__init__.py)

test_build_backend_errors_are_reported_correctly_if_caused_by_subprocess[False-exception0-build] AssertionError: assert False + where False = <built-in method startswith of str object at 0x000001F781EB0930>('\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 D:/a/poetry/poetry/tests/fixtures/simple_project)\n\n IsolatedBuildError\n\n hide the original error\n \n original error\n') + where <built-in method startswith of str object at 0x000001F781EB0930> = '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 D:/a/poetry/poetry/tests/fixtures/simple_project)\n'.startswith

test_build_backend_errors_are_reported_correctly_if_caused_by_subprocess_encoding[None-utf-8] AssertionError: assert ((None or 'Errör on stdout')) in '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 D:/a/poetry/poetry/tests/fixtures/simple_project)\n' + where '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 D:/a/poetry/poetry/tests/fixtures/simple_project)\n' = fetch_output() + where fetch_output = <cleo.io.buffered_io.BufferedIO object at 0x000001F781DFE930>.fetch_output

test_executor_should_install_multiple_packages_from_same_git_repository IndexError: list index out of range

test_build_backend_errors_are_reported_correctly_if_caused_by_subprocess[False-exception1-get_requires_for_build] AssertionError: assert False + where False = <built-in method startswith of str object at 0x000001F781EB28B0>('\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 D:/a/poetry/poetry/tests/fixtures/simple_project)\n\n IsolatedBuildError\n\n hide the original error\n \n original error\n') + where <built-in method startswith of str object at 0x000001F781EB28B0> = '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 D:/a/poetry/poetry/tests/fixtures/simple_project)\n'.startswith