Faulty data in tests and output

[tehhobbit]

Description of Issue/Question

When polling environment on an arista the following dict is returned

{
'fans': []
'cpu': []
'temperature: []
'power': []
'available_ram': []
'used_ram': []
}

According to https://github.com/napalm-automation/napalm-base/blob/develop/napalm_base/base.py#L325 the dict should look like

{
'fans': []
'cpu': []
'temperature': []
'power': []
}

Setup

napalm-eos version

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eOS version

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Steps to Reproduce the Issue

Error Traceback

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