Remove symlinks for molecule tests

We are seeing failures with newer versions of Ansible due to the
presence of symlinks. For example:

```
error: can't copy 'ansible/roles/mrlesmithjr.manage_lvm/molecule/kvm/tests': doesn't exist or not a regular file
```

molecule/kvmonlyvg/tests/conftest.py

@@ -1 +0,0 @@
-../../default/tests/conftest.py

molecule/kvmonlyvg/tests/conftest.py

@@ -0,0 +1,20 @@
+"""PyTest Fixtures."""
+from __future__ import absolute_import
+import os
+import pytest
+
+
+def pytest_runtest_setup(item):
+    """Run tests only when under molecule with testinfra installed."""
+    try:
+        import testinfra
+    except ImportError:
+        pytest.skip("Test requires testinfra", allow_module_level=True)
+    if "MOLECULE_INVENTORY_FILE" in os.environ:
+        pytest.testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+            os.environ["MOLECULE_INVENTORY_FILE"]
+        ).get_hosts("all")
+    else:
+        pytest.skip(
+            "Test should run only from inside molecule.", allow_module_level=True
+        )