Whether the Eleventh Circuit's denial of a certificate of appealability based on a single judge's assessment violates the established standard for such certificates

Whether the Eleventh Circuit’s denial of Petitioner’s motion for certificate of appealability based on a single judge’s assessment of the likelihood that Petitioner would succeed on merits violates this Court’s established standard for certi ficates of appealability, under which a certificate may not be denied based on a court’s belief that the applicant will not ultimately demonstrate an entitlement to relief on appeal?