Redoing my changes after the last revert

Author: dragonfly91

src/ResourceManager/AzureBackup/Commands.AzureBackup.Test/ScenarioTests/AzureBackupVaultTests.ps1

@@ -28,7 +28,11 @@ function Test-GetAzureBackupVaultCredentialsReturnsFileNameAndDownloadsCert
 
 function Test-SetAzureBackupVaultStorageTypeWithFreshResourceDoesNotThrowException
 {
-	$freshVault = New-AzureBackupVault -ResourceGroupName $ResourceGroupName -Name "storagetestrn" -Region $Location;
+	$freshVaultName = "storagetestrn";
+
+	Assert-Throws { New-AzureBackupVault -ResourceGroupName $ResourceGroupName -Name $freshVaultName -Region $Location };
+
+	$freshVault = Get-AzureBackupVault -Name $freshVaultName;
 
 	Set-AzureBackupVaultStorageType $freshVault -Type GeoRedundant
 
@@ -43,7 +47,6 @@ function Test-SetAzureBackupVaultStorageTypeWithFreshResourceDoesNotThrowExcepti
 
 function Test-SetAzureBackupVaultStorageTypeWithLockedResourceThrowsException
 {
-	# TODO: Check for exception based on current storage type - obtained by vault properties
 	$vault = Get-AzureBackupVault -Name $ResourceName;
 
 	Assert-Throws { Set-AzureBackupVaultStorageType $vault -Type GeoRedundant }

src/ResourceManager/AzureBackup/Commands.AzureBackup/Models/VaultCredentials.cs

@@ -79,6 +79,7 @@ public VaultCreds(string subscriptionId, string resourceType, string resourceNam
     /// Class to define backup vault credentials
     /// </summary>
     [SuppressMessage("Microsoft.StyleCop.CSharp.MaintainabilityRules", "SA1402:FileMayOnlyContainASingleClass", Justification = "Grouping classes based on entity")]
+    [DataContract]
     internal class BackupVaultCreds : VaultCreds
     {
         /// <summary>
@@ -128,26 +129,31 @@ public BackupVaultCreds(string subscriptionId, string resourceType, string resou
     /// <summary>
     /// AcsNamespace is where the certificate is uploaded into
     /// </summary>
+    [DataContract]
     internal class AcsNamespace
     {
         /// <summary>
         /// Gets or sets the key name for HostName entry
         /// </summary>
+        [DataMember(Order = 0)]
         public string HostName { get; set; }
 
         /// <summary>
         /// Gets or sets the key name for Namespace entry
         /// </summary>
+        [DataMember(Order = 1)]
         public string Namespace { get; set; }
 
         /// <summary>
         /// Gets or sets the value for ResourceProviderRealm entry
         /// </summary>
+        [DataMember(Order = 2)]
         public string ResourceProviderRealm { get; set; }
 
         /// <summary>
         /// Initializes a new instance of the AcsNamespace class
         /// </summary>
+        [DataMember(Order = 3)]
         public AcsNamespace() { }
 
         /// <summary>