If you can't connect to Empatico during your tech test or an exchange then it might be an issue with your or your partner teacher's network or firewall. There are a variety of possible errors that could appear in this situation but common error messages will indicate that you "can't connect" or that a connection "timed out".
Many school's block connections to unapproved sites or whitelist a selection of permitted sites. If this is the case in your school then you need to request that Empatico is allowed or added to this whitelist.
Tell the person or organization responsible for your network that you need access to:
If you run into issues or need help explaining what you need we're happy to help talk to your technical support contact. Please send us a note at firstname.lastname@example.org.