Use the simple way to get delay counter

Author: Tiano2017

src/Common/Commands.Common/TestMockSupport.cs

@@ -47,35 +47,4 @@ public static void Delay(TimeSpan duration)
             }
         }
     }
-
-    public class Delay
-    {
-        public const int DefaultMaxDelayInMilliseconds = 60000;
-
-        public const int DefaultBackoffStepInMilliseconds = 5000;
-
-        public const int DefaultDelayInMilliseconds = 0;
-
-        private int backoffStep;
-
-        private int maxDelay;
-
-        private int nextDelay;
-
-        public Delay(int backoffStep = DefaultBackoffStepInMilliseconds, int firstDelay = DefaultDelayInMilliseconds, int maxDelay = DefaultMaxDelayInMilliseconds)
-        {
-            this.backoffStep = backoffStep;
-            this.maxDelay = maxDelay;
-            this.nextDelay = firstDelay;
-        }
-
-        public int GetNextDelay()
-        {
-            int delay = this.nextDelay;
-            this.nextDelay += this.backoffStep;
-            this.nextDelay = Math.Min(maxDelay, this.nextDelay);
-
-            return delay;
-        }
-    }
 }

src/ResourceManager/Resources/Commands.Resources/Models.ResourceGroups/ResourceClient.cs

@@ -325,17 +325,18 @@ private DeploymentExtended WaitDeploymentStatus(
             params string[] status)
         {
             DeploymentExtended deployment;
-            Delay stepedDelay = new Delay(firstDelay: 0);
+            int counter = 0;
 
             do
             {
-                TestMockSupport.Delay(stepedDelay.GetNextDelay());
+                TestMockSupport.Delay(counter);
 
                 if (job != null)
                 {
                     job(resourceGroup, deploymentName, basicDeployment);
                 }                
                 deployment = ResourceManagementClient.Deployments.Get(resourceGroup, deploymentName).Deployment;
+                counter = counter + 5000 > 60000 ? 60000 : counter + 5000;
 
             } while (!status.Any(s => s.Equals(deployment.Properties.ProvisioningState, StringComparison.OrdinalIgnoreCase)));