The test is available in repository-services/isajson-ena/src/test/java/com/elixir/biohackaton/ISAToSRA/EnaReceiptToMarsTest.java.
It uses files stored in test-data/ena-receipt.json and test-data/biosamples-input-isa.json to store the MARS receipt to test-data/mars-ena-receipt.json.
I suggest implementing another end-point to have MARS receipt.
Converting ENA receipt to MARS receipt.
I suggest implementing another end-point to have MARS receipt.