Returns information about the most recent High Availability monitoring test that was performed on the host in a cluster. If a test isn't performed, the status and start time in the response would be null.
storagegateway_describe_availability_monitor_test(GatewayARN)[required]
A list with the following syntax:
list(
  GatewayARN = "string",
  Status = "COMPLETE"|"FAILED"|"PENDING",
  StartTime = as.POSIXct(
    "2015-01-01"
  )
)
svc$describe_availability_monitor_test( GatewayARN = "string" )