update

Author: huangpf

src/ServiceManagement/Compute/Commands.ServiceManagement.Test/FunctionalTests/FunctionalTest.cs

@@ -1690,22 +1690,33 @@ public void AzurePlatformVMImageNegativeTest()
         {
             StartTest(MethodBase.GetCurrentMethod().Name, testStartTime);
 
+            var imgName = Utilities.GetUniqueShortName("img");
+
             try
             {
                 var scripts = new string[]
                 {
                     "Import-Module '.\\" + Utilities.AzurePowershellModuleServiceManagementPirModule + "';",
                     "$c1 = New-AzurePlatformComputeImageConfig -Offer test -Sku test -Version test;",
                     "$c2 = New-AzurePlatformMarketplaceImageConfig -PlanName test -Product test -Publisher test -PublisherId test;",
-                    "Set-AzurePlatformVMImage -ImageName test -ReplicaLocations 'West US' -ComputeImageConfig $c1 -MarketplaceImageConfig $c2;"
+                    "Set-AzurePlatformVMImage -ImageName " + imgName + " -ReplicaLocations 'West US' -ComputeImageConfig $c1 -MarketplaceImageConfig $c2;"
                 };
 
                 vmPowershellCmdlets.RunPSScript(string.Join(System.Environment.NewLine, scripts), true);
             }
             catch (Exception e)
             {
-                pass = true;
-                Console.WriteLine(e.ToString());
+                var expectedMsg = "ResourceNotFound: The image with the specified name does not exist.";
+                if (e.InnerException != null && e.InnerException.Message != null && e.InnerException.Message.Contains(expectedMsg))
+                {
+                    pass = true;
+                    Console.WriteLine(e.InnerException.ToString());
+                }
+                else
+                {
+                    pass = false;
+                    Assert.Fail("Exception occurred: {0}", e.ToString());
+                }
             }
         }
     }