Assured we correctly identify FQRN on mocking

src/ansiblelint/_prerun.py

@@ -274,7 +274,7 @@ def _update_env(varname: str, value: List[str], default: str = "") -> None:
 def _perform_mockings() -> None:
     """Mock modules and roles."""
     for role_name in options.mock_roles:
-        if re.match(r"\w+\.\w+\.\w+", role_name):
+        if re.match(r"\w+\.\w+\.\w+$", role_name):
             namespace, collection, role_dir = role_name.split(".")
             path = f".cache/collections/ansible_collections/{ namespace }/{ collection }/roles/{ role_dir }/"
         else: