From f83881d2b31f9c5c1c3982972d9617d63940daf4 Mon Sep 17 00:00:00 2001
From: Alexander Sher <alexander.sher@outlook.com>
Date: Fri, 3 Feb 2023 11:41:33 -0600
Subject: [PATCH 1/3] Update LangVersion in individual projects

---
 common/SmokeTests/SmokeTest/SmokeTest.csproj                    | 1 -
 eng/Directory.Build.Common.props                                | 2 +-
 .../tests/Microsoft.Azure.Management.Avs.Tests.csproj           | 1 -
 ...oft.Azure.Management.DeviceProvisioningServices.Tests.csproj | 1 -
 .../tests/Microsoft.Azure.Management.DeviceUpdate.Tests.csproj  | 1 -
 .../tests/Microsoft.Azure.Management.DigitalTwins.Tests.csproj  | 1 -
 .../src/EventGridSourceGenerator.csproj                         | 1 -
 .../perf/Azure.Messaging.EventHubs.Processor.Perf.csproj        | 1 -
 .../perf/Azure.Messaging.EventHubs.Perf.csproj                  | 1 -
 .../stress/src/Azure.Messaging.EventHubs.Stress.csproj          | 1 -
 sdk/eventhub/Directory.Build.props                              | 2 +-
 .../perf/Microsoft.Azure.EventHubs.Perf.csproj                  | 1 -
 .../src/Microsoft.Azure.Management.IotHub.csproj                | 1 -
 .../tests/Microsoft.Azure.Management.IotHub.Tests.csproj        | 1 -
 sdk/keyvault/samples/keyvaultproxy/Directory.Build.props        | 2 +-
 ...rosoft.Azure.Management.MachineLearningServices.Tests.csproj | 1 -
 .../shared/Shared.Azure.MixedReality.Authentication.csproj      | 1 -
 .../perf/Azure.Messaging.ServiceBus.Perf.csproj                 | 1 -
 .../stress/src/Azure.Messaging.ServiceBus.Stress.csproj         | 1 -
 .../Azure.Storage.Files.DataLake.Perf.csproj                    | 1 -
 .../tests/Microsoft.Azure.Management.StoragePool.Tests.csproj   | 1 -
 .../Azure.Data.Tables/tests/perf/Azure.Data.Tables.Perf.csproj  | 1 -
 22 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/common/SmokeTests/SmokeTest/SmokeTest.csproj b/common/SmokeTests/SmokeTest/SmokeTest.csproj
index aebc691aab18..95b8060e7ce7 100644
--- a/common/SmokeTests/SmokeTest/SmokeTest.csproj
+++ b/common/SmokeTests/SmokeTest/SmokeTest.csproj
@@ -2,7 +2,6 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFrameworks>net7.0;net6.0;net461</TargetFrameworks>
-    <LangVersion>latest</LangVersion>
     <NoWarn>$(NoWarn);NU1605</NoWarn>
   </PropertyGroup>
 
diff --git a/eng/Directory.Build.Common.props b/eng/Directory.Build.Common.props
index 3369cd4bece9..00a518bddaeb 100644
--- a/eng/Directory.Build.Common.props
+++ b/eng/Directory.Build.Common.props
@@ -27,7 +27,7 @@
 
   <!-- Setup default project properties -->
   <PropertyGroup>
-    <LangVersion>11</LangVersion>
+    <LangVersion>11.0</LangVersion>
     <!--
       Disable NU5105 NuGet Pack warning that the version is SemVer 2.0.
       SemVer 2.0 is supported by NuGet since 3.0.0 (July 2015) in some capacity, and fully since 3.5.0 (October 2016).
diff --git a/sdk/avs/Microsoft.Azure.Management.Avs/tests/Microsoft.Azure.Management.Avs.Tests.csproj b/sdk/avs/Microsoft.Azure.Management.Avs/tests/Microsoft.Azure.Management.Avs.Tests.csproj
index 93f28b1e8f66..2006b3c74c21 100644
--- a/sdk/avs/Microsoft.Azure.Management.Avs/tests/Microsoft.Azure.Management.Avs.Tests.csproj
+++ b/sdk/avs/Microsoft.Azure.Management.Avs/tests/Microsoft.Azure.Management.Avs.Tests.csproj
@@ -7,7 +7,6 @@
     <AssemblyName>Avs.Tests</AssemblyName>
     <ExcludeFromBuild>true</ExcludeFromBuild>
     <ExcludeFromTest>true</ExcludeFromTest>
-    <LangVersion>latest</LangVersion>
     <TargetFrameworks>net5.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
diff --git a/sdk/deviceprovisioningservices/Microsoft.Azure.Management.DeviceProvisioningServices/tests/Microsoft.Azure.Management.DeviceProvisioningServices.Tests.csproj b/sdk/deviceprovisioningservices/Microsoft.Azure.Management.DeviceProvisioningServices/tests/Microsoft.Azure.Management.DeviceProvisioningServices.Tests.csproj
index 6fd497ffbdf6..e236deac58be 100644
--- a/sdk/deviceprovisioningservices/Microsoft.Azure.Management.DeviceProvisioningServices/tests/Microsoft.Azure.Management.DeviceProvisioningServices.Tests.csproj
+++ b/sdk/deviceprovisioningservices/Microsoft.Azure.Management.DeviceProvisioningServices/tests/Microsoft.Azure.Management.DeviceProvisioningServices.Tests.csproj
@@ -6,7 +6,6 @@
     <AssemblyName>DeviceProvisioningServices.Tests</AssemblyName>
     <Version>1.0.0</Version>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <LangVersion>8.0</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/sdk/deviceupdate/Microsoft.Azure.Management.DeviceUpdate/tests/Microsoft.Azure.Management.DeviceUpdate.Tests.csproj b/sdk/deviceupdate/Microsoft.Azure.Management.DeviceUpdate/tests/Microsoft.Azure.Management.DeviceUpdate.Tests.csproj
index f7a2325fd9e2..a5ed0a68e364 100644
--- a/sdk/deviceupdate/Microsoft.Azure.Management.DeviceUpdate/tests/Microsoft.Azure.Management.DeviceUpdate.Tests.csproj
+++ b/sdk/deviceupdate/Microsoft.Azure.Management.DeviceUpdate/tests/Microsoft.Azure.Management.DeviceUpdate.Tests.csproj
@@ -6,7 +6,6 @@
     <Description>DeviceUpdate.Tests Class Library</Description>
     <AssemblyName>Microsoft.Azure.Management.DeviceUpdate.Tests</AssemblyName>
     <VersionPrefix>2020-09-01</VersionPrefix>
-    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/sdk/digitaltwins/Microsoft.Azure.Management.DigitalTwins/tests/Microsoft.Azure.Management.DigitalTwins.Tests.csproj b/sdk/digitaltwins/Microsoft.Azure.Management.DigitalTwins/tests/Microsoft.Azure.Management.DigitalTwins.Tests.csproj
index 14e011c2d953..a8e8d7082de0 100644
--- a/sdk/digitaltwins/Microsoft.Azure.Management.DigitalTwins/tests/Microsoft.Azure.Management.DigitalTwins.Tests.csproj
+++ b/sdk/digitaltwins/Microsoft.Azure.Management.DigitalTwins/tests/Microsoft.Azure.Management.DigitalTwins.Tests.csproj
@@ -6,7 +6,6 @@
     <Description>DigitalTwins.Tests Class Library</Description>
     <AssemblyName>DigitalTwins.Tests</AssemblyName>
     <VersionPrefix>2022-05-31</VersionPrefix>
-    <LangVersion>8.0</LangVersion>
   </PropertyGroup>
   
   <PropertyGroup>
diff --git a/sdk/eventgrid/Azure.Messaging.EventGrid/EventGridSourceGenerator/src/EventGridSourceGenerator.csproj b/sdk/eventgrid/Azure.Messaging.EventGrid/EventGridSourceGenerator/src/EventGridSourceGenerator.csproj
index d11e1d46d7af..61d151ca3eb0 100644
--- a/sdk/eventgrid/Azure.Messaging.EventGrid/EventGridSourceGenerator/src/EventGridSourceGenerator.csproj
+++ b/sdk/eventgrid/Azure.Messaging.EventGrid/EventGridSourceGenerator/src/EventGridSourceGenerator.csproj
@@ -2,7 +2,6 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
-    <LangVersion>latest</LangVersion>
     <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
   </PropertyGroup>
   <ItemGroup>
diff --git a/sdk/eventhub/Azure.Messaging.EventHubs.Processor/perf/Azure.Messaging.EventHubs.Processor.Perf.csproj b/sdk/eventhub/Azure.Messaging.EventHubs.Processor/perf/Azure.Messaging.EventHubs.Processor.Perf.csproj
index cf3097c1e6dc..3710c27470de 100644
--- a/sdk/eventhub/Azure.Messaging.EventHubs.Processor/perf/Azure.Messaging.EventHubs.Processor.Perf.csproj
+++ b/sdk/eventhub/Azure.Messaging.EventHubs.Processor/perf/Azure.Messaging.EventHubs.Processor.Perf.csproj
@@ -3,7 +3,6 @@
   <PropertyGroup>
     <Version>1.0.0</Version>
     <OutputType>Exe</OutputType>
-    <LangVersion>latest</LangVersion>
     <IsTestSupportProject>true</IsTestSupportProject>
   </PropertyGroup>
 
diff --git a/sdk/eventhub/Azure.Messaging.EventHubs/perf/Azure.Messaging.EventHubs.Perf.csproj b/sdk/eventhub/Azure.Messaging.EventHubs/perf/Azure.Messaging.EventHubs.Perf.csproj
index 4c6f94b45f2b..486149d24087 100644
--- a/sdk/eventhub/Azure.Messaging.EventHubs/perf/Azure.Messaging.EventHubs.Perf.csproj
+++ b/sdk/eventhub/Azure.Messaging.EventHubs/perf/Azure.Messaging.EventHubs.Perf.csproj
@@ -3,7 +3,6 @@
   <PropertyGroup>
     <Version>1.0.0</Version>
     <OutputType>Exe</OutputType>
-    <LangVersion>latest</LangVersion>
     <IsTestSupportProject>true</IsTestSupportProject>
   </PropertyGroup>
 
diff --git a/sdk/eventhub/Azure.Messaging.EventHubs/stress/src/Azure.Messaging.EventHubs.Stress.csproj b/sdk/eventhub/Azure.Messaging.EventHubs/stress/src/Azure.Messaging.EventHubs.Stress.csproj
index 0c99175a6a50..bce9a8320867 100644
--- a/sdk/eventhub/Azure.Messaging.EventHubs/stress/src/Azure.Messaging.EventHubs.Stress.csproj
+++ b/sdk/eventhub/Azure.Messaging.EventHubs/stress/src/Azure.Messaging.EventHubs.Stress.csproj
@@ -2,7 +2,6 @@
   <PropertyGroup>
     <Version>1.0.0</Version>
     <OutputType>Exe</OutputType>
-    <LangVersion>latest</LangVersion>
     <IsTestSupportProject>true</IsTestSupportProject>
     <IsStressProject>false</IsStressProject>
   </PropertyGroup>
diff --git a/sdk/eventhub/Directory.Build.props b/sdk/eventhub/Directory.Build.props
index a286227808e1..a15c35827fd4 100644
--- a/sdk/eventhub/Directory.Build.props
+++ b/sdk/eventhub/Directory.Build.props
@@ -24,6 +24,6 @@
     this needs to be set after the common properties import.
   -->
   <PropertyGroup Condition="$(MSBuildProjectName.StartsWith('Azure.')) and $(MSBuildProjectName.EndsWith('.Tests'))">
-    <LangVersion>9.0</LangVersion>
+    <LangVersion>11.0</LangVersion>
   </PropertyGroup>
 </Project>
diff --git a/sdk/eventhub/Microsoft.Azure.EventHubs/perf/Microsoft.Azure.EventHubs.Perf.csproj b/sdk/eventhub/Microsoft.Azure.EventHubs/perf/Microsoft.Azure.EventHubs.Perf.csproj
index cb0f307fd048..2dd2ac3961b7 100644
--- a/sdk/eventhub/Microsoft.Azure.EventHubs/perf/Microsoft.Azure.EventHubs.Perf.csproj
+++ b/sdk/eventhub/Microsoft.Azure.EventHubs/perf/Microsoft.Azure.EventHubs.Perf.csproj
@@ -3,7 +3,6 @@
   <PropertyGroup>
     <Version>1.0.0</Version>
     <OutputType>Exe</OutputType>
-    <LangVersion>latest</LangVersion>
     <IsTestSupportProject>true</IsTestSupportProject>
   </PropertyGroup>
 
diff --git a/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Microsoft.Azure.Management.IotHub.csproj b/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Microsoft.Azure.Management.IotHub.csproj
index 919af08c52eb..2a44af7c6dd8 100644
--- a/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Microsoft.Azure.Management.IotHub.csproj
+++ b/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Microsoft.Azure.Management.IotHub.csproj
@@ -5,7 +5,6 @@
 
   <PropertyGroup>
     <TargetFrameworks>$(SdkTargetFx)</TargetFrameworks>
-    <LangVersion>8.0</LangVersion>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/sdk/iothub/Microsoft.Azure.Management.IotHub/tests/Microsoft.Azure.Management.IotHub.Tests.csproj b/sdk/iothub/Microsoft.Azure.Management.IotHub/tests/Microsoft.Azure.Management.IotHub.Tests.csproj
index a892073fdcf6..ab7c1ed63bf7 100644
--- a/sdk/iothub/Microsoft.Azure.Management.IotHub/tests/Microsoft.Azure.Management.IotHub.Tests.csproj
+++ b/sdk/iothub/Microsoft.Azure.Management.IotHub/tests/Microsoft.Azure.Management.IotHub.Tests.csproj
@@ -7,7 +7,6 @@
     <AssemblyName>IotHub.Tests</AssemblyName>
     <Version>1.0.0</Version>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <LangVersion>8.0</LangVersion>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/sdk/keyvault/samples/keyvaultproxy/Directory.Build.props b/sdk/keyvault/samples/keyvaultproxy/Directory.Build.props
index 286e55a6c2c5..fd9dd7689107 100644
--- a/sdk/keyvault/samples/keyvaultproxy/Directory.Build.props
+++ b/sdk/keyvault/samples/keyvaultproxy/Directory.Build.props
@@ -4,7 +4,7 @@
 
   <PropertyGroup>
     <RootNamespace>AzureSamples.Security.KeyVault.Proxy</RootNamespace>
-    <LangVersion>latest</LangVersion>
+    <LangVersion>11.0</LangVersion>
     <NoWarn>
       $(NoWarn);
       AZC0001
diff --git a/sdk/machinelearningservices/Microsoft.Azure.Management.MachineLearningServices/tests/Microsoft.Azure.Management.MachineLearningServices.Tests.csproj b/sdk/machinelearningservices/Microsoft.Azure.Management.MachineLearningServices/tests/Microsoft.Azure.Management.MachineLearningServices.Tests.csproj
index 631331c2bc1a..135c379e5822 100644
--- a/sdk/machinelearningservices/Microsoft.Azure.Management.MachineLearningServices/tests/Microsoft.Azure.Management.MachineLearningServices.Tests.csproj
+++ b/sdk/machinelearningservices/Microsoft.Azure.Management.MachineLearningServices/tests/Microsoft.Azure.Management.MachineLearningServices.Tests.csproj
@@ -6,7 +6,6 @@
     <Description>MachineLearningServices.Tests Class Library</Description>
     <AssemblyName>MachineLearningServices.Tests</AssemblyName>
     <VersionPrefix>2020-09-01-preview</VersionPrefix>
-    <LangVersion>8.0</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/sdk/mixedreality/Azure.MixedReality.Authentication/shared/Shared.Azure.MixedReality.Authentication.csproj b/sdk/mixedreality/Azure.MixedReality.Authentication/shared/Shared.Azure.MixedReality.Authentication.csproj
index f211d206496c..fdd49658d4e1 100644
--- a/sdk/mixedreality/Azure.MixedReality.Authentication/shared/Shared.Azure.MixedReality.Authentication.csproj
+++ b/sdk/mixedreality/Azure.MixedReality.Authentication/shared/Shared.Azure.MixedReality.Authentication.csproj
@@ -3,7 +3,6 @@
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
     <IsPackable>false</IsPackable>
-    <LangVersion>latest</LangVersion>
     <Nullable>Enable</Nullable>
     <AzureCoreSharedSources>$(RepoRoot)/sdk/core/Azure.Core/src/Shared/</AzureCoreSharedSources>
   </PropertyGroup>
diff --git a/sdk/servicebus/Azure.Messaging.ServiceBus/perf/Azure.Messaging.ServiceBus.Perf.csproj b/sdk/servicebus/Azure.Messaging.ServiceBus/perf/Azure.Messaging.ServiceBus.Perf.csproj
index 1b9ef33a83db..1ed0c3c41df8 100644
--- a/sdk/servicebus/Azure.Messaging.ServiceBus/perf/Azure.Messaging.ServiceBus.Perf.csproj
+++ b/sdk/servicebus/Azure.Messaging.ServiceBus/perf/Azure.Messaging.ServiceBus.Perf.csproj
@@ -2,7 +2,6 @@
   <PropertyGroup>
     <Version>1.0.0</Version>
     <OutputType>Exe</OutputType>
-    <LangVersion>latest</LangVersion>
     <IsTestSupportProject>true</IsTestSupportProject>
   </PropertyGroup>
 
diff --git a/sdk/servicebus/Azure.Messaging.ServiceBus/stress/src/Azure.Messaging.ServiceBus.Stress.csproj b/sdk/servicebus/Azure.Messaging.ServiceBus/stress/src/Azure.Messaging.ServiceBus.Stress.csproj
index 2ef501d8089c..807921858428 100644
--- a/sdk/servicebus/Azure.Messaging.ServiceBus/stress/src/Azure.Messaging.ServiceBus.Stress.csproj
+++ b/sdk/servicebus/Azure.Messaging.ServiceBus/stress/src/Azure.Messaging.ServiceBus.Stress.csproj
@@ -2,7 +2,6 @@
   <PropertyGroup>
     <Version>1.0.0</Version>
     <OutputType>Exe</OutputType>
-    <LangVersion>latest</LangVersion>
     <IsTestSupportProject>true</IsTestSupportProject>
     <IsStressProject>false</IsStressProject>
   </PropertyGroup>
diff --git a/sdk/storage/Azure.Storage.Files.DataLake/perf/Azure.Storage.Files.DataLake.Perf/Azure.Storage.Files.DataLake.Perf.csproj b/sdk/storage/Azure.Storage.Files.DataLake/perf/Azure.Storage.Files.DataLake.Perf/Azure.Storage.Files.DataLake.Perf.csproj
index 252d20945df0..09a3b3f0c976 100644
--- a/sdk/storage/Azure.Storage.Files.DataLake/perf/Azure.Storage.Files.DataLake.Perf/Azure.Storage.Files.DataLake.Perf.csproj
+++ b/sdk/storage/Azure.Storage.Files.DataLake/perf/Azure.Storage.Files.DataLake.Perf/Azure.Storage.Files.DataLake.Perf.csproj
@@ -2,7 +2,6 @@
   <PropertyGroup>
     <Version>1.0.0</Version>
     <OutputType>Exe</OutputType>
-    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/sdk/storagepool/Microsoft.Azure.Management.StoragePool/tests/Microsoft.Azure.Management.StoragePool.Tests.csproj b/sdk/storagepool/Microsoft.Azure.Management.StoragePool/tests/Microsoft.Azure.Management.StoragePool.Tests.csproj
index 1bf6e295a88d..357e85188bf2 100644
--- a/sdk/storagepool/Microsoft.Azure.Management.StoragePool/tests/Microsoft.Azure.Management.StoragePool.Tests.csproj
+++ b/sdk/storagepool/Microsoft.Azure.Management.StoragePool/tests/Microsoft.Azure.Management.StoragePool.Tests.csproj
@@ -7,7 +7,6 @@
     <AssemblyName>StoragePool.Tests</AssemblyName>
     <ExcludeFromBuild>true</ExcludeFromBuild>
     <ExcludeFromTest>true</ExcludeFromTest>
-    <LangVersion>latest</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.Azure.Management.ResourceManager" Version="1.6.0-preview" />
diff --git a/sdk/tables/Azure.Data.Tables/tests/perf/Azure.Data.Tables.Perf.csproj b/sdk/tables/Azure.Data.Tables/tests/perf/Azure.Data.Tables.Perf.csproj
index e31002fbc03b..40fb3fdad0b4 100644
--- a/sdk/tables/Azure.Data.Tables/tests/perf/Azure.Data.Tables.Perf.csproj
+++ b/sdk/tables/Azure.Data.Tables/tests/perf/Azure.Data.Tables.Perf.csproj
@@ -14,7 +14,6 @@
   <PropertyGroup>
     <Version>1.0.0</Version>
     <OutputType>Exe</OutputType>
-    <LangVersion>latest</LangVersion>
     <IsTestSupportProject>true</IsTestSupportProject>
   </PropertyGroup>
 

From 799d7ecdf23fd1be60be97b340f9f31269b4da03 Mon Sep 17 00:00:00 2001
From: Alexander Sher <alexander.sher@outlook.com>
Date: Fri, 3 Feb 2023 11:46:54 -0600
Subject: [PATCH 2/3] Restore LangVersion tag in sample project

---
 common/SmokeTests/SmokeTest/SmokeTest.csproj | 1 +
 1 file changed, 1 insertion(+)

diff --git a/common/SmokeTests/SmokeTest/SmokeTest.csproj b/common/SmokeTests/SmokeTest/SmokeTest.csproj
index 95b8060e7ce7..cc5034355e78 100644
--- a/common/SmokeTests/SmokeTest/SmokeTest.csproj
+++ b/common/SmokeTests/SmokeTest/SmokeTest.csproj
@@ -2,6 +2,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFrameworks>net7.0;net6.0;net461</TargetFrameworks>
+    <LangVersion>11.0</LangVersion>
     <NoWarn>$(NoWarn);NU1605</NoWarn>
   </PropertyGroup>
 

From 2456f885c38193b41285f6ad7bfacab10039beef Mon Sep 17 00:00:00 2001
From: Alexander Sher <alexander.sher@outlook.com>
Date: Fri, 3 Feb 2023 12:33:05 -0600
Subject: [PATCH 3/3] Address PR comment

---
 sdk/eventhub/Directory.Build.props | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/sdk/eventhub/Directory.Build.props b/sdk/eventhub/Directory.Build.props
index a15c35827fd4..1b66ad4b72c3 100644
--- a/sdk/eventhub/Directory.Build.props
+++ b/sdk/eventhub/Directory.Build.props
@@ -14,16 +14,4 @@
 
   <!-- Import the common SDK build properties. -->
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory).., Directory.Build.props))\Directory.Build.props" />
-
-  <!--
-    Force the language version in test projects to avoid overload resolution errors for
-    NUnit assertsions in the RC version of the compiler.  This should be fixed with the RC2
-    release of the .NET 6 SDK.  (see: https://github.com/dotnet/roslyn/issues/56167)
-
-    Because the common SDK build properties define this value and the intent is to override,
-    this needs to be set after the common properties import.
-  -->
-  <PropertyGroup Condition="$(MSBuildProjectName.StartsWith('Azure.')) and $(MSBuildProjectName.EndsWith('.Tests'))">
-    <LangVersion>11.0</LangVersion>
-  </PropertyGroup>
 </Project>