From 723a3b8085dc82c6e483e6b7379ebbd26ae3aa2a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Fi=C5=A1era?= <mara@neptuo.com>
Date: Thu, 15 Feb 2024 14:30:52 +0100
Subject: [PATCH 1/9] Run tests in parallel. Pass max number of parallel
 threads as param

---
 eng/testing/tests.browser.targets             |  2 ++
 .../tests/WasmTestRunner/WasmTestRunner.cs    | 20 ++++++++++++++-----
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/eng/testing/tests.browser.targets b/eng/testing/tests.browser.targets
index d27fa412d490b1..fa9bd684a8d6df 100644
--- a/eng/testing/tests.browser.targets
+++ b/eng/testing/tests.browser.targets
@@ -94,6 +94,7 @@
     <WasmXHarnessMonoArgs Condition="'$(XunitShowProgress)' == 'true'">$(WasmXHarnessMonoArgs) --setenv=XHARNESS_LOG_TEST_START=true</WasmXHarnessMonoArgs>
     <!-- help unit test with PlatformDetection.IsThreadingSupported via IsBrowserThreadingSupported env variable -->
     <WasmXHarnessMonoArgs Condition="'$(WasmEnableThreads)' == 'true'">$(WasmXHarnessMonoArgs) --setenv=IsBrowserThreadingSupported=true</WasmXHarnessMonoArgs>
+    <WasmXHarnessMaxParallelThreads Condition="'$(WasmEnableThreads)' == 'true' and '$(WasmXHarnessMaxParallelThreads)' == ''">8</WasmXHarnessMaxParallelThreads>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(RunScriptCommand)' == ''">
@@ -112,6 +113,7 @@
     <_XHarnessArgs Condition="'$(WasmXHarnessArgsCli)' != ''"      >$(_XHarnessArgs) $(WasmXHarnessArgsCli)</_XHarnessArgs>
 
     <_AppArgs Condition="'$(WasmEnableThreads)' == 'true'">$(_AppArgs) -threads</_AppArgs>
+    <_AppArgs Condition="'$(WasmXHarnessMaxParallelThreads)' != ''">$(_AppArgs) -parallelThreads $(WasmXHarnessMaxParallelThreads)</_AppArgs>
     <!-- There are two flavors of WasmXHarnessArgs and WasmXHarnessMonoArgs, one is MSBuild property and the other is environment variable -->
     <RunScriptCommand Condition="'$(OS)' != 'Windows_NT'">$HARNESS_RUNNER $(_XHarnessArgs) %24XHARNESS_ARGS %24WasmXHarnessArgs -- $(WasmXHarnessMonoArgs) %24WasmXHarnessMonoArgs $(_AppArgs) %24WasmTestAppArgs</RunScriptCommand>
     <RunScriptCommand Condition="'$(OS)' == 'Windows_NT'">%HARNESS_RUNNER% $(_XHarnessArgs) %XHARNESS_ARGS% %WasmXHarnessArgs%  -- $(WasmXHarnessMonoArgs) %WasmXHarnessMonoArgs% $(_AppArgs) %WasmTestAppArgs%</RunScriptCommand>
diff --git a/src/libraries/Common/tests/WasmTestRunner/WasmTestRunner.cs b/src/libraries/Common/tests/WasmTestRunner/WasmTestRunner.cs
index 2eb1c1e440c33b..d7a0159e87d282 100644
--- a/src/libraries/Common/tests/WasmTestRunner/WasmTestRunner.cs
+++ b/src/libraries/Common/tests/WasmTestRunner/WasmTestRunner.cs
@@ -9,8 +9,8 @@
 
 public class WasmTestRunner : WasmApplicationEntryPoint
 {
-    // TODO: Set max threads for run in parallel
-    // protected override int? MaxParallelThreads => RunInParallel ? 8 : base.MaxParallelThreads;
+    protected int MaxParallelThreadsFromArg { get; set; }
+    protected override int? MaxParallelThreads => RunInParallel ? MaxParallelThreadsFromArg : base.MaxParallelThreads;
 
     public static async Task<int> Main(string[] args)
     {
@@ -65,9 +65,11 @@ public static async Task<int> Main(string[] args)
                     break;
                 case "-threads":
                     runner.IsThreadless = false;
-                    // TODO: Enable run in parallel
-                    // runner.RunInParallel = true;
-                    // Console.WriteLine($"Running in parallel with {runner.MaxParallelThreads} threads.");
+                    break;
+                case "-parallelThreads":
+                    runner.RunInParallel = true;
+                    runner.MaxParallelThreadsFromArg = int.Parse(args[i + 1]);
+                    i++;
                     break;
                 case "-verbosity":
                     runner.MinimumLogLevel = Enum.Parse<MinimumLogLevel>(args[i + 1]);
@@ -105,4 +107,12 @@ public static async Task<int> Main(string[] args)
 
         return res;
     }
+
+    public override Task RunAsync()
+    {
+        if (RunInParallel)
+            Console.WriteLine($"Running in parallel with {MaxParallelThreads} threads.");
+
+        return base.RunAsync();
+    }
 }

From 60e26d9f5a0fa2b737077b02e9b19e022d06fa1d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Fi=C5=A1era?= <mara@neptuo.com>
Date: Thu, 15 Feb 2024 14:31:08 +0100
Subject: [PATCH 2/9] [revert] Log all test starts

---
 eng/testing/tests.browser.targets | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/eng/testing/tests.browser.targets b/eng/testing/tests.browser.targets
index fa9bd684a8d6df..5972f590ebe5b5 100644
--- a/eng/testing/tests.browser.targets
+++ b/eng/testing/tests.browser.targets
@@ -91,6 +91,9 @@
     <WasmTestAppArgs Condition="'$(_XUnitBackgroundExec)' == 'true'">$(WasmTestAppArgs) -backgroundExec</WasmTestAppArgs>
     <_AppArgs Condition="'$(WasmTestAppArgs)' != ''">$(_AppArgs) $(WasmTestAppArgs)</_AppArgs>
 
+    <XunitShowProgress>true</XunitShowProgress>
+    <WasmXHarnessMonoArgs>$(WasmXHarnessMonoArgs) --setenv=XHARNESS_LOG_THREAD_ID=true</WasmXHarnessMonoArgs>
+
     <WasmXHarnessMonoArgs Condition="'$(XunitShowProgress)' == 'true'">$(WasmXHarnessMonoArgs) --setenv=XHARNESS_LOG_TEST_START=true</WasmXHarnessMonoArgs>
     <!-- help unit test with PlatformDetection.IsThreadingSupported via IsBrowserThreadingSupported env variable -->
     <WasmXHarnessMonoArgs Condition="'$(WasmEnableThreads)' == 'true'">$(WasmXHarnessMonoArgs) --setenv=IsBrowserThreadingSupported=true</WasmXHarnessMonoArgs>

From 36110722edf12b7437514e72fd2cc3a75779436e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Fi=C5=A1era?= <mara@neptuo.com>
Date: Fri, 16 Feb 2024 14:33:23 +0100
Subject: [PATCH 3/9] Disable parallel execution for WS and JSON tests

---
 .../tests/System.Net.WebSockets.Client.Tests.csproj              | 1 +
 .../tests/System.Text.Json.Tests/System.Text.Json.Tests.csproj   | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/libraries/System.Net.WebSockets.Client/tests/System.Net.WebSockets.Client.Tests.csproj b/src/libraries/System.Net.WebSockets.Client/tests/System.Net.WebSockets.Client.Tests.csproj
index 7bb14097848cb5..5173bc185a697b 100644
--- a/src/libraries/System.Net.WebSockets.Client/tests/System.Net.WebSockets.Client.Tests.csproj
+++ b/src/libraries/System.Net.WebSockets.Client/tests/System.Net.WebSockets.Client.Tests.csproj
@@ -17,6 +17,7 @@
 
     <!-- This WASM test is problematic and slow right now. This sets the xharness timeout but there is also override in sendtohelix-browser.targets -->
     <WasmXHarnessTestsTimeout>01:15:00</WasmXHarnessTestsTimeout>
+    <WasmXHarnessMaxParallelThreads>1</WasmXHarnessMaxParallelThreads>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/libraries/System.Text.Json/tests/System.Text.Json.Tests/System.Text.Json.Tests.csproj b/src/libraries/System.Text.Json/tests/System.Text.Json.Tests/System.Text.Json.Tests.csproj
index ddb87ab85f5745..61bea23cac8200 100644
--- a/src/libraries/System.Text.Json/tests/System.Text.Json.Tests/System.Text.Json.Tests.csproj
+++ b/src/libraries/System.Text.Json/tests/System.Text.Json.Tests/System.Text.Json.Tests.csproj
@@ -21,6 +21,7 @@
     <XunitShowProgress>true</XunitShowProgress>
     <!-- This WASM test is problematic and slow right now. This sets the xharness timeout but there is also override in sendtohelix-browser.targets -->
     <WasmXHarnessTestsTimeout>01:15:00</WasmXHarnessTestsTimeout>
+    <WasmXHarnessMaxParallelThreads>1</WasmXHarnessMaxParallelThreads>
   </PropertyGroup>
   <ItemGroup Condition="'$(ContinuousIntegrationBuild)' == 'true'">
     <HighAotMemoryUsageAssembly Include="System.Text.Json.Tests.dll" />

From 475818e1c533b2c81db419a05512e8d670e3af35 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Fi=C5=A1era?= <mara@neptuo.com>
Date: Fri, 16 Feb 2024 20:27:31 +0100
Subject: [PATCH 4/9] Turn off parallel processing when max threads is equal to
 1

---
 src/libraries/Common/tests/WasmTestRunner/WasmTestRunner.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libraries/Common/tests/WasmTestRunner/WasmTestRunner.cs b/src/libraries/Common/tests/WasmTestRunner/WasmTestRunner.cs
index d7a0159e87d282..9935182c69d038 100644
--- a/src/libraries/Common/tests/WasmTestRunner/WasmTestRunner.cs
+++ b/src/libraries/Common/tests/WasmTestRunner/WasmTestRunner.cs
@@ -67,8 +67,8 @@ public static async Task<int> Main(string[] args)
                     runner.IsThreadless = false;
                     break;
                 case "-parallelThreads":
-                    runner.RunInParallel = true;
-                    runner.MaxParallelThreadsFromArg = int.Parse(args[i + 1]);
+                    runner.MaxParallelThreadsFromArg = Math.Max(1, int.Parse(args[i + 1]));
+                    runner.RunInParallel = runner.MaxParallelThreadsFromArg > 1;
                     i++;
                     break;
                 case "-verbosity":

From ec8185a8601d7f2a53033a02e548f828ffe86b78 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Fi=C5=A1era?= <mara@neptuo.com>
Date: Sun, 18 Feb 2024 12:00:02 +0100
Subject: [PATCH 5/9] Disable parallel execution for Buffers tests

---
 .../tests/System.Buffers.Tests/System.Buffers.Tests.csproj     | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/libraries/System.Runtime/tests/System.Buffers.Tests/System.Buffers.Tests.csproj b/src/libraries/System.Runtime/tests/System.Buffers.Tests/System.Buffers.Tests.csproj
index 10b79281bf52b6..66ae6833a50eb5 100644
--- a/src/libraries/System.Runtime/tests/System.Buffers.Tests/System.Buffers.Tests.csproj
+++ b/src/libraries/System.Runtime/tests/System.Buffers.Tests/System.Buffers.Tests.csproj
@@ -5,6 +5,9 @@
     <IncludeRemoteExecutor>true</IncludeRemoteExecutor>
     <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(TargetOS)' == 'browser'">
+    <WasmXHarnessMaxParallelThreads>1</WasmXHarnessMaxParallelThreads>
+  </PropertyGroup>
   <ItemGroup>
     <Compile Include="ArrayPool\ArrayPoolTest.cs" />
     <Compile Include="ArrayPool\CollectionTests.cs" />

From 146d7a7deb216f3ce5c22f1e26e9ef6b27d02a98 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Fi=C5=A1era?= <mara@neptuo.com>
Date: Fri, 8 Mar 2024 11:45:49 +0100
Subject: [PATCH 6/9] Revert "[revert] Log all test starts"

This reverts commit 60e26d9f5a0fa2b737077b02e9b19e022d06fa1d.
---
 eng/testing/tests.browser.targets | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/eng/testing/tests.browser.targets b/eng/testing/tests.browser.targets
index 28a928885b2264..903d10e0412ba7 100644
--- a/eng/testing/tests.browser.targets
+++ b/eng/testing/tests.browser.targets
@@ -92,9 +92,6 @@
     <WasmXHarnessMonoArgs Condition="'$(_XUnitBackgroundExec)' == 'true'">$(WasmXHarnessMonoArgs) --setenv=IsWasmBackgroundExec=true</WasmXHarnessMonoArgs>
     <_AppArgs Condition="'$(WasmTestAppArgs)' != ''">$(_AppArgs) $(WasmTestAppArgs)</_AppArgs>
 
-    <XunitShowProgress>true</XunitShowProgress>
-    <WasmXHarnessMonoArgs>$(WasmXHarnessMonoArgs) --setenv=XHARNESS_LOG_THREAD_ID=true</WasmXHarnessMonoArgs>
-
     <WasmXHarnessMonoArgs Condition="'$(XunitShowProgress)' == 'true'">$(WasmXHarnessMonoArgs) --setenv=XHARNESS_LOG_TEST_START=true</WasmXHarnessMonoArgs>
     <!-- help unit test with PlatformDetection.IsThreadingSupported via IsBrowserThreadingSupported env variable -->
     <WasmXHarnessMonoArgs Condition="'$(WasmEnableThreads)' == 'true'">$(WasmXHarnessMonoArgs) --setenv=IsBrowserThreadingSupported=true</WasmXHarnessMonoArgs>

From 8bd31e849f609ecdbd46c9c4906a64bb7df5c7df Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Fi=C5=A1era?= <mara@neptuo.com>
Date: Mon, 18 Mar 2024 10:30:49 +0100
Subject: [PATCH 7/9] [torevert] Remove all 1 threads

---
 .../tests/System.Net.WebSockets.Client.Tests.csproj             | 2 +-
 .../tests/System.Buffers.Tests/System.Buffers.Tests.csproj      | 2 +-
 .../tests/System.Text.Json.Tests/System.Text.Json.Tests.csproj  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/libraries/System.Net.WebSockets.Client/tests/System.Net.WebSockets.Client.Tests.csproj b/src/libraries/System.Net.WebSockets.Client/tests/System.Net.WebSockets.Client.Tests.csproj
index 5173bc185a697b..4248550ccc0364 100644
--- a/src/libraries/System.Net.WebSockets.Client/tests/System.Net.WebSockets.Client.Tests.csproj
+++ b/src/libraries/System.Net.WebSockets.Client/tests/System.Net.WebSockets.Client.Tests.csproj
@@ -17,7 +17,7 @@
 
     <!-- This WASM test is problematic and slow right now. This sets the xharness timeout but there is also override in sendtohelix-browser.targets -->
     <WasmXHarnessTestsTimeout>01:15:00</WasmXHarnessTestsTimeout>
-    <WasmXHarnessMaxParallelThreads>1</WasmXHarnessMaxParallelThreads>
+    <!-- WasmXHarnessMaxParallelThreads>1</WasmXHarnessMaxParallelThreads-->
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/libraries/System.Runtime/tests/System.Buffers.Tests/System.Buffers.Tests.csproj b/src/libraries/System.Runtime/tests/System.Buffers.Tests/System.Buffers.Tests.csproj
index 66ae6833a50eb5..2e77905aff861c 100644
--- a/src/libraries/System.Runtime/tests/System.Buffers.Tests/System.Buffers.Tests.csproj
+++ b/src/libraries/System.Runtime/tests/System.Buffers.Tests/System.Buffers.Tests.csproj
@@ -6,7 +6,7 @@
     <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
   </PropertyGroup>
   <PropertyGroup Condition="'$(TargetOS)' == 'browser'">
-    <WasmXHarnessMaxParallelThreads>1</WasmXHarnessMaxParallelThreads>
+    <!--WasmXHarnessMaxParallelThreads>1</WasmXHarnessMaxParallelThreads-->
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="ArrayPool\ArrayPoolTest.cs" />
diff --git a/src/libraries/System.Text.Json/tests/System.Text.Json.Tests/System.Text.Json.Tests.csproj b/src/libraries/System.Text.Json/tests/System.Text.Json.Tests/System.Text.Json.Tests.csproj
index 61bea23cac8200..65f1a9095680de 100644
--- a/src/libraries/System.Text.Json/tests/System.Text.Json.Tests/System.Text.Json.Tests.csproj
+++ b/src/libraries/System.Text.Json/tests/System.Text.Json.Tests/System.Text.Json.Tests.csproj
@@ -21,7 +21,7 @@
     <XunitShowProgress>true</XunitShowProgress>
     <!-- This WASM test is problematic and slow right now. This sets the xharness timeout but there is also override in sendtohelix-browser.targets -->
     <WasmXHarnessTestsTimeout>01:15:00</WasmXHarnessTestsTimeout>
-    <WasmXHarnessMaxParallelThreads>1</WasmXHarnessMaxParallelThreads>
+    <!--WasmXHarnessMaxParallelThreads>1</WasmXHarnessMaxParallelThreads-->
   </PropertyGroup>
   <ItemGroup Condition="'$(ContinuousIntegrationBuild)' == 'true'">
     <HighAotMemoryUsageAssembly Include="System.Text.Json.Tests.dll" />

From 3ba705ac857e93a0f42104b4279a0165f6c5349a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Fi=C5=A1era?= <mara@neptuo.com>
Date: Mon, 18 Mar 2024 14:14:40 +0100
Subject: [PATCH 8/9] Revert "[torevert] Remove all 1 threads"

This reverts commit 8bd31e849f609ecdbd46c9c4906a64bb7df5c7df.
---
 .../tests/System.Net.WebSockets.Client.Tests.csproj             | 2 +-
 .../tests/System.Buffers.Tests/System.Buffers.Tests.csproj      | 2 +-
 .../tests/System.Text.Json.Tests/System.Text.Json.Tests.csproj  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/libraries/System.Net.WebSockets.Client/tests/System.Net.WebSockets.Client.Tests.csproj b/src/libraries/System.Net.WebSockets.Client/tests/System.Net.WebSockets.Client.Tests.csproj
index fd1bf545aea3f4..2c7762cc6bc861 100644
--- a/src/libraries/System.Net.WebSockets.Client/tests/System.Net.WebSockets.Client.Tests.csproj
+++ b/src/libraries/System.Net.WebSockets.Client/tests/System.Net.WebSockets.Client.Tests.csproj
@@ -17,7 +17,7 @@
 
     <!-- This WASM test is problematic and slow right now. This sets the xharness timeout but there is also override in sendtohelix-browser.targets -->
     <WasmXHarnessTestsTimeout>01:15:00</WasmXHarnessTestsTimeout>
-    <!-- WasmXHarnessMaxParallelThreads>1</WasmXHarnessMaxParallelThreads-->
+    <WasmXHarnessMaxParallelThreads>1</WasmXHarnessMaxParallelThreads>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/libraries/System.Runtime/tests/System.Buffers.Tests/System.Buffers.Tests.csproj b/src/libraries/System.Runtime/tests/System.Buffers.Tests/System.Buffers.Tests.csproj
index 2e77905aff861c..66ae6833a50eb5 100644
--- a/src/libraries/System.Runtime/tests/System.Buffers.Tests/System.Buffers.Tests.csproj
+++ b/src/libraries/System.Runtime/tests/System.Buffers.Tests/System.Buffers.Tests.csproj
@@ -6,7 +6,7 @@
     <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
   </PropertyGroup>
   <PropertyGroup Condition="'$(TargetOS)' == 'browser'">
-    <!--WasmXHarnessMaxParallelThreads>1</WasmXHarnessMaxParallelThreads-->
+    <WasmXHarnessMaxParallelThreads>1</WasmXHarnessMaxParallelThreads>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="ArrayPool\ArrayPoolTest.cs" />
diff --git a/src/libraries/System.Text.Json/tests/System.Text.Json.Tests/System.Text.Json.Tests.csproj b/src/libraries/System.Text.Json/tests/System.Text.Json.Tests/System.Text.Json.Tests.csproj
index 65f1a9095680de..61bea23cac8200 100644
--- a/src/libraries/System.Text.Json/tests/System.Text.Json.Tests/System.Text.Json.Tests.csproj
+++ b/src/libraries/System.Text.Json/tests/System.Text.Json.Tests/System.Text.Json.Tests.csproj
@@ -21,7 +21,7 @@
     <XunitShowProgress>true</XunitShowProgress>
     <!-- This WASM test is problematic and slow right now. This sets the xharness timeout but there is also override in sendtohelix-browser.targets -->
     <WasmXHarnessTestsTimeout>01:15:00</WasmXHarnessTestsTimeout>
-    <!--WasmXHarnessMaxParallelThreads>1</WasmXHarnessMaxParallelThreads-->
+    <WasmXHarnessMaxParallelThreads>1</WasmXHarnessMaxParallelThreads>
   </PropertyGroup>
   <ItemGroup Condition="'$(ContinuousIntegrationBuild)' == 'true'">
     <HighAotMemoryUsageAssembly Include="System.Text.Json.Tests.dll" />

From 687fefe2621fb8f25303fd135418ccac54443239 Mon Sep 17 00:00:00 2001
From: Pavel Savara <pavelsavara@microsoft.com>
Date: Wed, 3 Apr 2024 16:03:45 +0200
Subject: [PATCH 9/9] 1 thread for JS interop tests

---
 .../System.Runtime.InteropServices.JavaScript.Tests.csproj       | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libraries/System.Runtime.InteropServices.JavaScript/tests/System.Runtime.InteropServices.JavaScript.UnitTests/System.Runtime.InteropServices.JavaScript.Tests.csproj b/src/libraries/System.Runtime.InteropServices.JavaScript/tests/System.Runtime.InteropServices.JavaScript.UnitTests/System.Runtime.InteropServices.JavaScript.Tests.csproj
index e21c5d8c5e16dc..135b1b78297ab8 100644
--- a/src/libraries/System.Runtime.InteropServices.JavaScript/tests/System.Runtime.InteropServices.JavaScript.UnitTests/System.Runtime.InteropServices.JavaScript.Tests.csproj
+++ b/src/libraries/System.Runtime.InteropServices.JavaScript/tests/System.Runtime.InteropServices.JavaScript.UnitTests/System.Runtime.InteropServices.JavaScript.Tests.csproj
@@ -14,6 +14,7 @@
     <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
     <!-- to see timing and which test aborted the runtime -->
     <XunitShowProgress>true</XunitShowProgress>
+    <WasmXHarnessMaxParallelThreads>1</WasmXHarnessMaxParallelThreads>
   </PropertyGroup>
   <!-- Make debugging easier -->
   <PropertyGroup Condition="'$(Configuration)' == 'Debug'">