@@ -28,6 +28,11 @@ def _instance(config_instance):
     return platforms.Platforms(config_instance)
 
 
+@pytest.fixture
+def _instance_with_platform_name(config_instance):
+    return platforms.Platforms(config_instance, platform_name="instance-1")
+
+
 def test_instances_property(_instance):
     x = [
         {"groups": ["foo", "bar"], "name": "instance-1", "children": ["child1"]},
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import pytest

from molecule import platforms


@pytest.fixture
def _instance(config_instance):
    return platforms.Platforms(config_instance)


def test_instances_property(_instance):
    x = [
        {"groups": ["foo", "bar"], "name": "instance-1", "children": ["child1"]},
        {"groups": ["baz", "foo"], "name": "instance-2", "children": ["child2"]},
    ]

    assert x == _instance.instances

`instance-1` is hardcoded in the test body and the detached fixture. It is best to keep such coupled things in the same place. I think that having an extra fixture is not warranted in this case. But if it was, this should've definitely gone to "parameterize" where it could be evident/visible that these values are connected.