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##### SUMMARY
<!--- Explain the problem briefly below -->
ansible-test sanity also checks the automatically created tests/output directory and is failing the symlink test. This happens when running ansible-sanity on collection

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
<!--- Write the short name of the module, plugin, task or feature below, use your best guess if unsure -->
ansible-test

##### ANSIBLE VERSION
<!--- Paste verbatim output from "ansible --version" between quotes -->
```paste below
Stable 2.9
```

##### CONFIGURATION
<!--- Paste verbatim output from "ansible-config dump --only-changed" between quotes -->
```paste below

```

##### OS / ENVIRONMENT
<!--- Provide all relevant information below, e.g. target OS versions, network device firmware, etc. -->


##### STEPS TO REPRODUCE
<!--- Describe exactly how to reproduce the problem, using a minimal test-case -->
Running ansible-test sanity on a collection with python 3.7
<!--- Paste example playbooks or commands between quotes below -->
```yaml
```

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##### EXPECTED RESULTS
<!--- Describe what you expected to happen when running the steps above -->
Ignore the tests/output directory

##### ACTUAL RESULTS
<!--- Describe what actually happened. If possible run with extra verbosity (-vvvv) -->

<!--- Paste verbatim command output between quotes -->
```paste below
Running sanity test 'symlinks' with Python 3.7
ERROR: Found 6 symlinks issue(s) which need to be resolved:
ERROR: tests/output/.tmp/sanity/import/lib/ansible/module_utils:0:0: symlinks outside content tree are not allowed: ../../../../../../../../../../anshul_ansible/ansible/lib/ansible/module_utils
ERROR: tests/output/.tmp/sanity/import/lib/ansible/utils/collection_loader.py:0:0: symlinks outside content tree are not allowed: ../../../../../../../../../../../anshul_ansible/ansible/lib/ansible/utils/collection_loader.py
ERROR: tests/output/.tmp/sanity/import/lib/ansible/utils/singleton.py:0:0: symlinks outside content tree are not allowed: ../../../../../../../../../../../anshul_ansible/ansible/lib/ansible/utils/singleton.py
ERROR: tests/output/.tmp/sanity/import/minimal-py37/bin/importer.py:0:0: symlinks outside content tree are not allowed: ../../../../../../../../../../anshul_ansible/ansible/test/lib/ansible_test/_data/sanity/import/importer.py
ERROR: tests/output/.tmp/sanity/import/minimal-py37/bin/python:0:0: symlinks outside content tree are not allowed: ../../../../../../../../../../anshul_ansible/ansible/venv3/bin/python3
ERROR: tests/output/.tmp/sanity/import/minimal-py37/bin/python3:0:0: symlinks outside content tree are not allowed: ../../../../../../../../../../anshul_ansible/ansible/venv3/bin/python3
```

"""Fallback source provider when no other provider matches the content root."""
    sequence = 0  
    @staticmethod
    def is_content_root(path):  
        """Return True if the given path is a content root for this provider."""
        return False
    def get_paths(self, path):  
        """Return the list of available content paths under the given path."""
        paths = []
        kill_any_dir = (
            '.idea',
            '.pytest_cache',
            '__pycache__',
            'ansible.egg-info',
        )
        kill_sub_dir = {
            'test/runner': (
                '.tox',
            ),
            'test': (
                'results',
                'cache',