Permanently disable test/Concurrency/Runtime/clock.swift
Permanently disable test/Concurrency/Runtime/clock.swift

There is still an open radar for the author to consider deleting
the test or reimagining it somehow:
rdar:94451729 (Swift CI: Concurrency/Runtime/clock.swift failed
despite increased timeout)

JGiola/swift,JGiola/swift,apple/swift,benlangmuir/swift,roambotics/swift,glessard/swift,benlangmuir/swift,JGiola/swift,roambotics/swift,apple/swift,roambotics/swift,benlangmuir/swift,glessard/swift,apple/swift,roambotics/swift,benlangmuir/swift,JGiola/swift,glessard/swift,apple/swift,glessard/swift,benlangmuir/swift,roambotics/swift,benlangmuir/swift,JGiola/swift,apple/swift,roambotics/swift,glessard/swift,apple/swift,JGiola/swift,glessard/swift