Timestamp Microservice challenge broken?

Tell us what’s happening:
i dont know why it dont pass those tests.
-Your project can handle dates that can be successfully parsed by new Date(date_string) -An empty date parameter should return the current time in a JSON object with a unixkey -An empty date parameter should return the current time in a JSON object with autc` key

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Challenge: Timestamp Microservice

Link to the challenge: