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 0x1128cc220>.fetch_output

test_build_backend_errors_are_reported_correctly_if_caused_by_subprocess[True-exception1-build] ImportError: cannot import name 'ExceptionTrace' from 'cleo.ui.exception_trace' (/Users/runner/Library/Caches/pypoetry/virtualenvs/poetry--2IDkNy2-py3.9/lib/python3.9/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' (/Users/runner/Library/Caches/pypoetry/virtualenvs/poetry--2IDkNy2-py3.9/lib/python3.9/site-packages/cleo/ui/exception_trace/__init__.py)

test_other_error AssertionError: assert False + where False = <built-in method startswith of str object at 0x111e35e00>('Package operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /Users/runner/work/poetry/poetry/tests/fixtures/non-existing)\n\n FileNotFoundError\n') + where <built-in method startswith of str object at 0x111e35e00> = 'Package operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /Users/runner/work/poetry/poetry/tests/fixtures/non-existing)'.startswith

test_executor_should_install_multiple_packages_from_same_git_repository IndexError: list index out of range

test_build_system_requires_not_available assert False + where False = <built-in method startswith of str object at 0x1133a3490>("Package operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /Users/runner/work/poetry/poetry/tests/fixtures/build_system_requires_not_available)\n\n SolveFailureError\n\n Because -root- depends on poetry-core (0.999) which doesn't match any versions, version solving failed.\n") + where <built-in method startswith of str object at 0x1133a3490> = 'Package operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /Users/runner/work/poetry/poetry/tests/fixtures/build_system_requires_not_available)'.startswith

test_build_backend_errors_are_reported_correctly_if_caused_by_subprocess_encoding[None-latin-1] AssertionError: assert ((None or 'Errör on stdout')) in '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /Users/runner/work/poetry/poetry/tests/fixtures/simple_project)\n' + where '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /Users/runner/work/poetry/poetry/tests/fixtures/simple_project)\n' = fetch_output() + where fetch_output = <cleo.io.buffered_io.BufferedIO object at 0x1133ab460>.fetch_output

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 /Users/runner/work/poetry/poetry/tests/fixtures/simple_project)\n' + where '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /Users/runner/work/poetry/poetry/tests/fixtures/simple_project)\n' = fetch_output() + where fetch_output = <cleo.io.buffered_io.BufferedIO object at 0x1130dfee0>.fetch_output

test_build_backend_errors_are_reported_correctly_if_caused_by_subprocess[False-exception0-get_requires_for_build] AssertionError: assert False + where False = <built-in method startswith of str object at 0x11315e6b0>('\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /Users/runner/work/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 0x11315e6b0> = '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /Users/runner/work/poetry/poetry/tests/fixtures/simple_project)\n'.startswith