Tests getDOMCountersForLeakDetection output.
live_audio_nodes=0
live_documents=1
live_nodes=5
live_layout_objects=3
live_resources=0
live_context_lifecycle_state_observers=1
live_frames=1
live_v8_per_context_data=1
worker_global_scopes=0
live_ua_css_resources=0
live_resource_fetchers=1