databricks-cli/acceptance/bundle/templates/default-sql/test.toml

[[Repls]]
Old = '- (user_name|service_principal_name): \$USERNAME'
New = '- user_name_OR_service_principal_name: $$USERNAME'

[[Repls]]
Old = '''
      email_notifications:
        on_failure:
          - \$USERNAME

'''
New = ''