[Batch] Update Management Plane SDK

sdk/batch/Microsoft.Azure.Management.Batch/CHANGELOG.md

@@ -1,5 +1,12 @@
 # Release History
 
+## 12.0.0 (2020-09-17)
+### REST API version
+- This version targets REST API version 2020-09-01.
+
+### Features
+- **[Breaking]** The property `MaxTasksPerNode` on `Pool` has been replaced with `TaskSlotsPerNode` to allow tasks to be created which utilize more than one scheduling slot.
+
 ## 11.0.0 (2020-06-01)
 ### REST API version
 - This version targets REST API version 2020-05-01.

sdk/batch/Microsoft.Azure.Management.Batch/src/Microsoft.Azure.Management.Batch.csproj

@@ -8,7 +8,7 @@
     <Description>Provides management capabilities for Azure Batch service accounts.</Description>
     <AssemblyTitle>Microsoft Azure Batch Management Library</AssemblyTitle>
     <AssemblyName>Microsoft.Azure.Management.Batch</AssemblyName>
-    <Version>11.0.0</Version>
+    <Version>12.0.0</Version>
     <PackageTags>Microsoft Azure batch management;batch;</PackageTags>
     <PackageReleaseNotes>For detailed release notes, see: https://aka.ms/batch-net-management-changelog</PackageReleaseNotes>
   </PropertyGroup>

sdk/batch/Microsoft.Azure.Management.Batch/tests/ScenarioTests/BatchScenarioTestBase.cs

@@ -40,7 +40,7 @@ private static string FindLocation(MockContext context)
             var resourceManagementClient = context.GetServiceClient<ResourceManagementClient>();
             Provider provider = resourceManagementClient.Providers.Get("Microsoft.Batch");
             IList <string> locations = provider.ResourceTypes.First(resType => resType.ResourceType == "batchAccounts").Locations;
-            return locations.First(location => location == "East US");
+            return locations.First(location => location == "West Central US");
         }
 
         // Can be used to find a region to test against, but probably shouldn't record tests that use this as it will leave your subscription account details in the