Improve etheno error message

[montyly]

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echidna-test: Error parsing Etheno initialization file: Error in $: ',' or ']': not enough input

I think most likely this means that you did not kill Etheno. We could improve the error message here

[gustavo-grieco]

Uhm, I need to check that, since it looks like an error produced by the code inside the json parser.

[0xKarl98]

it's not , i killed the etheno , but the error still exists

[arcz]

@0xKarl98 do you have steps to reproduce the issue?

[gustavo-grieco]

We will deprecate etheno, so I'm closing this one.