Update Storage mocks in Logging
Update Storage mocks in Logging

[refs #1541]

quartzmo/google-cloud-ruby,landrito/google-cloud-ruby,CloudVLab/google-cloud-ruby,hxiong388/google-cloud-ruby,quartzmo/google-cloud-ruby,landrito/google-cloud-ruby,googleapis/google-cloud-ruby,dazuma/google-cloud-ruby,quartzmo/google-cloud-ruby,landrito/google-cloud-ruby,CloudVLab/google-cloud-ruby,blowmage/gcloud-ruby,dazuma/google-cloud-ruby,googleapis/google-cloud-ruby,qingling128/google-cloud-ruby,CloudVLab/google-cloud-ruby,dazuma/google-cloud-ruby,hxiong388/google-cloud-ruby,dazuma/google-cloud-ruby,quartzmo/gcloud-ruby,CloudVLab/google-cloud-ruby,hxiong388/google-cloud-ruby,dazuma/google-cloud-ruby,quartzmo/google-cloud-ruby,quartzmo/google-cloud-ruby,googleapis/google-cloud-ruby,hxiong388/google-cloud-ruby,googleapis/google-cloud-ruby,landrito/google-cloud-ruby,googleapis/google-cloud-ruby,quartzmo/google-cloud-ruby,CloudVLab/google-cloud-ruby,qingling128/google-cloud-ruby,qingling128/google-cloud-ruby,qingling128/google-cloud-ruby,dazuma/google-cloud-ruby,googleapis/google-cloud-ruby,landrito/google-cloud-ruby