protected String getUsernameUnderTest() throws Exception {
        return UUID.randomUUID().toString();
    }
This is {@link BaseOneTimeTokenCredentialRepositoryTests}.

@author Timur Duehr
@since 6.0.0
support/cas-server-support-gauth/src/test/java/org/apereo/cas/gauth/credential/BaseOneTimeTokenCredentialRepositoryTests.java