Hello @AdrianaF1 ,
Is your account setup as a partnered system - i.e. an affiliate or something like that where you have a master account and separate child accounts within that? Or are you just referring to having your associate use an account manager login to be in the same account as you?
I had no issues getting a regular test email to send through to either my personal or work emails, so if that's what you're referring to, I'm wondering if there's a security element blocking the unauthenticated test sends from being received by you. You may want to check and make sure your email program / network isn't outright blocking the test sends, as that may require you to safelist our domains. Otherwise, I'd advise calling the Delivery team for further, advanced troubleshooting and assistance.
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