Prove INVALSI - strumenti di test

Diagnostic tool https://diagnostic.invalsi.taocloud.org/taoClientDiagnostic/CompatibilityChecker/index/?istituto=CSIC81800B

Test audio https://invalsi-areaprove.cineca.it/docs/2019/sandbox_3/19b_GRA13_ENGLB2_EX1/index.html