def onShortcutUnindentWithBackspace(self):
        """Backspace pressed, unindent
        """
        assert self._qpart.textBeforeCursor().endswith(self.text())

        charsToRemove = len(self._qpart.textBeforeCursor()) % len(self.text())
        if charsToRemove == 0:
            charsToRemove = len(self.text())

        cursor = self._qpart.textCursor()
        cursor.setPosition(cursor.position() - charsToRemove, QTextCursor.KeepAnchor)
        cursor.removeSelectedText()
def test_login(self, mock_login_with_token, mock_input, mock_open_url):
        quilt3.login()

        url = quilt3.session.get_registry_url()

        mock_open_url.assert_called_with(f'{url}/login')
        mock_login_with_token.assert_called_with('123456')