Description of problem:
------------------------
Performance metrics collection fails for Azure with this error:

[----] E, [2016-06-23T01:16:42.963011 #3050:cb5994] ERROR -- : MIQ(ManageIQ::Providers::Azure::CloudManager::MetricsCapture#perf_collect_metrics) [realtime] for: [ManageIQ::Providers::Azure::CloudManager::Vm], [622000000000083], [TestRmVMOne] Unhandled exception during perf data 
collection: [wrong number of arguments (0 for 1)], class: [ArgumentError]

[----] E, [2016-06-23T01:16:42.963245 #3050:cb5994] ERROR -- : MIQ(ManageIQ::Providers::Azure::CloudManager::MetricsCapture#perf_collect_metrics) [realtime] for: [ManageIQ::Providers::Azure::CloudManager::Vm], [622000000000083], [TestRmVMOne]   Timings at time of error: {:capture_state=>0.21676301956176758, :connect=>3.814697265625e-06, :capture_counters=>3.92067551612854, :capture_counter_values=>0.0009126663208007812}

[----] E, [2016-06-23T01:16:42.963483 #3050:cb5994] ERROR -- : [ArgumentError]: wrong number of arguments (0 for 1)  Method:[rescue in perf_collect_metrics]

[----] E, [2016-06-23T01:16:42.963613 #3050:cb5994] ERROR -- : /var/www/miq/vmdb/app/models/manageiq/providers/azure/cloud_manager/metrics_capture.rb:55:in `with_metrics_services'
/var/www/miq/vmdb/app/models/manageiq/providers/azure/cloud_manager/metrics_capture.rb:63:in `storage_accounts'
/var/www/miq/vmdb/app/models/manageiq/providers/azure/cloud_manager/metrics_capture.rb:128:in `raw_metrics_for_counter'
/var/www/miq/vmdb/app/models/manageiq/providers/azure/cloud_manager/metrics_capture.rb:105:in `block (2 levels) in metrics_by_counter_name'
/var/www/miq/vmdb/gems/pending/util/extensions/miq-benchmark.rb:11:in `realtime_store'
/var/www/miq/vmdb/gems/pending/util/extensions/miq-benchmark.rb:30:in `realtime_block'
/var/www/miq/vmdb/app/models/manageiq/providers/azure/cloud_manager/metrics_capture.rb:104:in `block in metrics_by_counter_name'
/var/www/miq/vmdb/app/models/manageiq/providers/azure/cloud_manager/metrics_capture.rb:101:in `each'
/var/www/miq/vmdb/app/models/manageiq/providers/azure/cloud_manager/metrics_capture.rb:101:in `each_with_object'
/var/www/miq/vmdb/app/models/manageiq/providers/azure/cloud_manager/metrics_capture.rb:101:in `metrics_by_counter_name'
/var/www/miq/vmdb/app/models/manageiq/providers/azure/cloud_manager/metrics_capture.rb:72:in `perf_capture_data_azure'
/var/www/miq/vmdb/app/models/manageiq/providers/azure/cloud_manager/metrics_capture.rb:42:in `block (2 levels) in perf_collect_metrics'
/var/www/miq/vmdb/app/models/manageiq/providers/azure/cloud_manager/metrics_capture.rb:59:in `with_metrics_services'
/var/www/miq/vmdb/app/models/manageiq/providers/azure/cloud_manager/metrics_capture.rb:41:in `block in perf_collect_metrics'
/var/www/miq/vmdb/app/models/ext_management_system.rb:360:in `with_provider_connection'
/var/www/miq/vmdb/app/models/manageiq/providers/azure/cloud_manager/metrics_capture.rb:40:in `perf_collect_metrics'
/var/www/miq/vmdb/app/models/metric/ci_mixin/capture.rb:6:in `perf_collect_metrics'
/var/www/miq/vmdb/app/models/metric/ci_mixin/capture.rb:167:in `block in perf_capture'
/var/www/miq/vmdb/gems/pending/util/extensions/miq-benchmark.rb:11:in `realtime_store'
/var/www/miq/vmdb/gems/pending/util/extensions/miq-benchmark.rb:30:in `realtime_block'
/var/www/miq/vmdb/app/models/metric/ci_mixin/capture.rb:164:in `perf_capture'
/var/www/miq/vmdb/app/models/metric/ci_mixin/capture.rb:104:in `perf_capture_realtime'
/var/www/miq/vmdb/app/models/miq_queue.rb:345:in `block in deliver'
/opt/rh/rh-ruby22/root/usr/share/ruby/timeout.rb:89:in `block in timeout'
/opt/rh/rh-ruby22/root/usr/share/ruby/timeout.rb:34:in `block in catch'
/opt/rh/rh-ruby22/root/usr/share/ruby/timeout.rb:34:in `catch'
/opt/rh/rh-ruby22/root/usr/share/ruby/timeout.rb:34:in `catch'
/opt/rh/rh-ruby22/root/usr/share/ruby/timeout.rb:104:in `timeout'
/var/www/miq/vmdb/app/models/miq_queue.rb:341:in `deliver'
/var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:106:in `deliver_queue_message'
/var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:134:in `deliver_message'
/var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:152:in `block in do_work'
/var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:146:in `loop'
/var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:146:in `do_work'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:334:in `block in do_work_loop'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:331:in `loop'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:331:in `do_work_loop'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:153:in `run'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:128:in `start'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:21:in `start_worker'
/var/www/miq/vmdb/app/models/miq_worker.rb:346:in `block in start'


Version-Release number of selected component (if applicable):
----------------------------
5.6.0.12


How reproducible:
-----------------
Always


Steps to Reproduce:
-------------------
1.Manage an Azure provider.
2.Enable C&U collection for the provider.
3.


Actual results:
---------------
Performance metrics collection fails.


Expected results:
----------------


Additional info:
----------------