tests/integration/test_requirements.py FFF..                                                                                                                                                                                                  [ 51%]

....

 def test_install_editable_with_requirements_fail():
        c = TestClient()
        c.run("new mynamespace:mycommand")
        c.save({"requirements.txt": "tomato_this_wont_exist"})
        c.run("install . -e -v", assert_error=True)
        # TODO: Decide if better to remove these commands, disable or what
>       assert "ERROR: No matching distribution found for tomato_this_wont_exist" in c.out
E       AssertionError: assert 'ERROR: No matching distribution found for tomato_this_wont_exist' in 'Error: You must be within a virtual environment to install requirements or use \nthe --create-env argument.\n'
E        +  where 'Error: You must be within a virtual environment to install requirements or use \nthe --create-env argument.\n' = <tests.utils.tools.TestClient object at 0x1077af790>.out