### Summary

When running `ansible-test network-integration`  on  the `devel` branch the inventory file fails to be found.  This problem is being caused because the default inventory path uses `test` instead of `tests`. 
 
https://github.com/ansible/ansible/blob/f4d4391a1f5d4d2b4159d9976216c5861023be2c/test/lib/ansible_test/_internal/cli/compat.py#L472

Although I am only running network-integration tests, it appears that windows integration tests would encounter the same issue.

https://github.com/ansible/ansible/blob/f4d4391a1f5d4d2b4159d9976216c5861023be2c/test/lib/ansible_test/_internal/cli/compat.py#L470 
From what I can tell this was introduced in #75605


### Issue Type

Bug Report

### Component Name

test/lib/ansible_test/_internal/cli/compat.py

### Ansible Version

```console
$ ansible --version
ansible [core 2.13.0.dev0] (devel f4d4391a1f) last updated 2021/10/02 08:11:28 (GMT -500)
  config file = None
  configured module search path = ['/Users/pinkman/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /Users/pinkman/DEV/ansible/lib/ansible
  ansible collection location = /Users/pinkman/.ansible/collections:/usr/share/ansible/collections
  executable location = /Users/pinkman/DEV/ansible/bin/ansible
  python version = 3.9.7 (v3.9.7:1016ef3790, Aug 30 2021, 16:39:15) [Clang 6.0 (clang-600.0.57)]
  jinja version = 3.0.1
  libyaml = True
```


### Configuration

```console
$ ansible-config dump --only-changed
```


### OS / Environment

MacOS

### Steps to Reproduce

<!--- Paste example playbooks or commands between quotes below -->
You can observe this behavior by running networking integration tests with:
```
ansible-test networking-integration
```


### Expected Results

Inventory should be found and network integration tests should be ran against targets.

### Actual Results

```console
ERROR: Inventory not found: /Users/pinkman/DEV/ansible-datapower/ansible_collections/community/datapower/test/integration/inventory.networking
Use --inventory to specify the inventory path.
Use --platform to provision resources and generate an inventory file.
See also inventory template: /Users/pinkman/DEV/ansible/test/lib/ansible_test/config/inventory.networking.template
```


### Code of Conduct

- [X] I agree to follow the Ansible Code of Conduct
targets = controller_targets(mode, options, controller)
            else:
                context, reason = f'--remote {options.remote}', FallbackReason.ENVIRONMENT
                controller = None
                targets = [PosixRemoteConfig(name=options.remote, python=native_python(options), provider=options.remote_provider)]
        elif mode == TargetMode.SHELL and options.remote.startswith('windows/'):
            if options.python and options.python not in CONTROLLER_PYTHON_VERSIONS:
                raise ControllerNotSupportedError(f'--python {options.python}')
            controller = OriginConfig(python=native_python(options))
            targets = [WindowsRemoteConfig(name=options.remote, provider=options.remote_provider)]
        else:
            if not options.python:
                raise PythonVersionUnspecifiedError(f'--remote {options.remote}')
            if controller_python(options.python):
                controller = PosixRemoteConfig(name=options.remote, python=native_python(options), provider=options.remote_provider)
                targets = controller_targets(mode, options, controller)
            else:
                context, reason = f'--remote {options.remote} --python {options.python}', FallbackReason.PYTHON
                controller = None
                targets = [PosixRemoteConfig(name=options.remote, python=native_python(options), provider=options.remote_provider)]
        if not controller:
            if docker_available():
                controller_fallback = f'docker:{docker_fallback}', context, reason
                controller = DockerConfig(name=docker_fallback)
            else:
                controller_fallback = f'remote:{remote_fallback}', context, reason
                controller = PosixRemoteConfig(name=remote_fallback)
    else: