[input] add test on yaml file presence instead of node key

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-10.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-21.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-22.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-23.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-25.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-26.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-28.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-32.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-33.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-34.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-35.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-36.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-37.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-38.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-39.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-40.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-41.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-42.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-43.yaml

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-44.yaml