In order to tell whether you are using SSO for qTest, refer to your login page. Below is an example of a login page for a user who is NOT using SSO and a login page for a user who IS using SSO.
A User Not Using SSO
A User Using SSO
Note: This example shows a login screen using OKTA SSO. We do, however, support other SSO providers, so your SSO login screen may feature another provider.