edit logo test: add a sleep after the initial namespace create.

[jctanner]

The initial create fires off multiple async but the test isn't waiting for all of them to finish before moving on with altering the namespace.

[jctanner]

The package install test has intermittent failures too when trying to fetch the DAB repo ...

    def test_package_install(env_vars):
        """smoktest setup.py"""
    
        with tempfile.TemporaryDirectory(prefix='galaxy_ng_testing_') as basedir:
    
            # make a venv
            pid = subprocess.run(f'python3 -m venv {basedir}/venv', shell=True)
            assert pid.returncode == 0
    
            # install the package
            cmd = f'{basedir}/venv/bin/pip install .'
            if env_vars:
                for k, v in env_vars.items():
                    cmd = f'{k}={v} {cmd}'
            pid = subprocess.run(cmd, shell=True)
>           assert pid.returncode == 0
E           AssertionError: assert 1 == 0
E            +  where 1 = CompletedProcess(args='/tmp/galaxy_ng_testing_fhbi6mk8/venv/bin/pip install .', returncode=1).returncode

galaxy_ng/tests/integration/package/test_package_install.py:39: AssertionError
----------------------------- Captured stdout call -----------------------------
Processing /src/galaxy_ng
  Installing build dependencies: started
  Installing build dependencies: finished with status 'done'
  Getting requirements to build wheel: started
  Getting requirements to build wheel: finished with status 'done'
  Preparing metadata (pyproject.toml): started
  Preparing metadata (pyproject.toml): finished with status 'done'
Collecting django-ansible-base[jwt_consumer]@ git+https://github.com/ansible/django-ansible-base@devel
  Cloning https://github.com/ansible/django-ansible-base (to revision devel) to /tmp/pip-install-ppk88_cg/django-ansible-base_891062560edc4ad981e3e03acdea6679
----------------------------- Captured stderr call -----------------------------
  Running command git clone --filter=blob:none --quiet https://github.com/ansible/django-ansible-base /tmp/pip-install-ppk88_cg/django-ansible-base_891062560edc4ad981e3e03acdea6679
  fatal: unable to access 'https://github.com/ansible/django-ansible-base/': Failed to connect to github.com port 443: Connection timed out
  error: subprocess-exited-with-error