[wasi] Add wasi-experimental workload, wasiconsole template, and …

…`Wasi.Build.Tests` (#81849) * EmitWasmBundleObjectFile: Capture any clang output/errors * [wasi] Add wasiconsole template * [wasi] Add wasmtime support for WasmAppHost * [wasi] Add wasi-experimental workload - And Microsoft.NET.Runtime.WebAssembly.Wasi.Sdk * [wasi] Add Wasi.Build.Tests * [wasi] cleanup * [wasi] liveBuilds.targets - add dotnet.wasm, and other files * Add CI support for Wasi.Build.Tests * fix build * Link required libc++*.a from wasi-sdk * Address earlier review feedback from @pavelsavara
dotnet · Feb 23, 2023 · ef43934 · ef43934
1 parent f1544d4
commit ef43934
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diff --git a/eng/liveBuilds.targets b/eng/liveBuilds.targets
@@ -222,6 +222,13 @@
     </ItemGroup>
 
     <ItemGroup Label="Wasi" Condition="'$(TargetOS)' == 'wasi'">
+      <LibrariesRuntimeFiles
+                             Include="
+        $(LibrariesNativeArtifactsPath)dotnet.wasm;
+        $(LibrariesNativeArtifactsPath)dotnet.timezones.blat;
+        $(LibrariesNativeArtifactsPath)*.dat;"
+        IsNative="true" />
+
       <LibrariesRuntimeFiles Include="
         $(LibrariesNativeArtifactsPath)src\*.c"
         NativeSubDirectory="src"

diff --git a/eng/pipelines/extra-platforms/runtime-extra-platforms-wasm.yml b/eng/pipelines/extra-platforms/runtime-extra-platforms-wasm.yml
@@ -200,6 +200,8 @@ jobs:
       platforms:
         - browser_wasm
         - browser_wasm_win
+        - wasi_wasm
+        - wasi_wasm_win
       isExtraPlatformsBuild: ${{ parameters.isExtraPlatformsBuild }}
       isWasmOnlyBuild: ${{ parameters.isWasmOnlyBuild }}
 

diff --git a/eng/pipelines/libraries/helix-queues-setup.yml b/eng/pipelines/libraries/helix-queues-setup.yml
@@ -187,8 +187,12 @@ jobs:
     - ${{ if eq(parameters.platform, 'windows_arm64') }}:
       - Windows.11.Arm64.Open
 
-    # Browser/WASI WebAssembly
-    - ${{ if in(parameters.platform, 'browser_wasm', 'wasi_wasm') }}:
+    # WASI
+    - ${{ if eq(parameters.platform, 'wasi_wasm') }}:
+      - (Ubuntu.2004.Amd64)Ubuntu.2004.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-20.04-helix-wasm-amd64
+
+    # Browser WebAssembly
+    - ${{ if eq(parameters.platform, 'browser_wasm') }}:
       - Ubuntu.1804.Amd64.Open
 
     # Browser WebAssembly Firefox

diff --git a/eng/pipelines/runtime.yml b/eng/pipelines/runtime.yml
@@ -511,6 +511,13 @@ extends:
           scenarios:
             - normal
 
+      - template: /eng/pipelines/common/templates/wasm-build-tests.yml
+        parameters:
+          platforms:
+            - wasi_wasm
+            - wasi_wasm_win
+          alwaysRun: ${{ variables.isRollingBuild }}
+
       #
       # iOS/tvOS devices - Full AOT + AggressiveTrimming to reduce size
       # Build the whole product using Mono and run libraries tests

diff --git a/eng/testing/tests.wasi.targets b/eng/testing/tests.wasi.targets
@@ -134,8 +134,7 @@
       <WorkloadIdForTesting Include="wasi-experimental"
                             ManifestName="Microsoft.NET.Workload.Mono.ToolChain.Current"
                             Variant="latest"
-                            Version="$(PackageVersionForWorkloadManifests)"
-                            VersionBand="$(SdkBandVersion)" />
+                            Version="$(PackageVersionForWorkloadManifests)" />
       <WorkloadCombinationsToInstall Include="latest" Variants="latest" />
     </ItemGroup>
   </Target>

diff --git a/eng/testing/workloads-testing.targets b/eng/testing/workloads-testing.targets
@@ -138,7 +138,7 @@
       <_SdkWithWorkloadToInstall Include="@(WorkloadCombinationsToInstall)" />
       <_SdkWithWorkloadToInstall InstallPath="$(_SdkForWorkloadTestingBasePath)\dotnet-%(Identity)" />
       <!--<_SdkWithWorkloadToInstall StampPath="%(InstallPath)\version-%(Version).stamp" Condition="'%(Version)' != ''" />-->
-      <_SdkWithWorkloadToInstall StampPath="%(InstallPath)\.workload-installed.stamp" />
+      <_SdkWithWorkloadToInstall StampPath="%(InstallPath)\.workload-installed.$(RuntimeIdentifier).stamp" />
     </ItemGroup>
 
     <Error Text="Cannot find any nupkg files in $(LibrariesShippingPackagesDir), needed for workloads" Condition="@(AvailableNuGetsInArtifacts->Count()) == 0" />

diff --git a/src/libraries/Directory.Build.props b/src/libraries/Directory.Build.props
@@ -94,8 +94,9 @@
     <SdkWithNoWorkloadStampPath>$(SdkWithNoWorkloadForTestingPath)version-$(SdkVersionForWorkloadTesting).stamp</SdkWithNoWorkloadStampPath>
     <SdkWithNoWorkload_WorkloadStampPath>$(SdkWithNoWorkloadForTestingPath)workload.stamp</SdkWithNoWorkload_WorkloadStampPath>
 
-    <SdkWithWorkloadForTestingPath>$(ArtifactsBinDir)dotnet-net7+latest\</SdkWithWorkloadForTestingPath>
-    <SdkWithWorkloadForTestingPath>$([MSBuild]::NormalizeDirectory($(SdkWithWorkloadForTestingPath)))</SdkWithWorkloadForTestingPath>
+    <SdkWithWorkloadForTestingPath Condition="'$(TargetOS)' == 'browser'">$(ArtifactsBinDir)dotnet-net7+latest\</SdkWithWorkloadForTestingPath>
+    <SdkWithWorkloadForTestingPath Condition="'$(TargetOS)' == 'wasi'">$(ArtifactsBinDir)dotnet-latest\</SdkWithWorkloadForTestingPath>
+    <SdkWithWorkloadForTestingPath Condition="'$(SdkWithWorkloadForTestingPath)' != ''">$([MSBuild]::NormalizeDirectory($(SdkWithWorkloadForTestingPath)))</SdkWithWorkloadForTestingPath>
 
     <SdkWithWorkloadStampPath>$(SdkWithWorkloadForTestingPath)version-$(SdkVersionForWorkloadTesting).stamp</SdkWithWorkloadStampPath>
     <SdkWithWorkload_WorkloadStampPath>$(SdkWithWorkloadForTestingPath)workload.stamp</SdkWithWorkload_WorkloadStampPath>

diff --git a/src/libraries/sendtohelix-wasi.targets b/src/libraries/sendtohelix-wasi.targets
@@ -1,76 +1,107 @@
 <Project>
+  <!--
+      ** Running extension targets **
+
+      To run a custom project specific target for adding/editing @(HelixWorkItem):
+
+      - In the project add:
+        <HelixTargetsFile Condition="'$(TargetOS)' == 'browser'">wasm.helix.targets</HelixTargetsFile>
+        - This files gets copied next to the test archive as $(MSBuildProjectName).helix.targets
+
+      - In this `wasm.helix.targets` file, add to $(HelixExtensionTargets) to run your custom target
+
+          <PropertyGroup Condition="'$(IsRunningLibraryTests)' == 'true' and '$(Scenario)' == 'WasmTestOnBrowser'">
+            <HelixExtensionTargets>$(HelixExtensionTargets);_AddHelixCrypoItems</HelixExtensionTargets>
+
+        - Useful properties to condition on: $(Scenario), $(IsRunningLibraryTests)
+        - And add to, change, or remove from @(HelixWorkItem)
+  -->
+
   <PropertyGroup>
     <IsRunningLibraryTests Condition="'$(Scenario)' == 'normal' or '$(Scenario)' == ''">true</IsRunningLibraryTests>
-    <WasiEngine Condition="'$(Scenario)' == 'normal' or '$(Scenario)' == ''">wasmtime</WasiEngine>
+    <WasiEngine Condition="'$(Scenario)' == 'normal' or '$(Scenario)' == 'BuildWasmApps' or '$(Scenario)' == ''">wasmtime</WasiEngine>
     <NeedsWasmtime Condition="'$(WasiEngine)' == 'wasmtime'">true</NeedsWasmtime>
 
+    <_ShippingPackagesPath>$([MSBuild]::NormalizeDirectory($(ArtifactsDir), 'packages', $(Configuration), 'Shipping'))</_ShippingPackagesPath>
     <PrepareForBuildHelixWorkItems_WasiDependsOn>
         PrepareHelixCorrelationPayload_Wasi;
-        _AddWorkItemsForLibraryTests
+        _AddWorkItemsForLibraryTests;
+        _AddWorkItemsForBuildWasmApps
     </PrepareForBuildHelixWorkItems_WasiDependsOn>
 
-    <BuildHelixWorkItemsDependsOn>$(BuildHelixWorkItemsDependsOn);PrepareForBuildHelixWorkItems_Wasi</BuildHelixWorkItemsDependsOn>
+    <BuildHelixWorkItemsDependsOn>$(BuildHelixWorkItemsDependsOn);StageWasiSdkForHelix;PrepareForBuildHelixWorkItems_Wasi</BuildHelixWorkItemsDependsOn>
     <IncludeHelixCorrelationPayload>false</IncludeHelixCorrelationPayload>
     <EnableDefaultBuildHelixWorkItems>false</EnableDefaultBuildHelixWorkItems>
-    <UseTestEnvFile>false</UseTestEnvFile>
+    <WASI_SDK_PATH Condition="'$(WASI_SDK_PATH)' == ''">$(RepoRoot)src\mono\wasi\wasi-sdk\</WASI_SDK_PATH>
+    <WasiSdkForHelixPayload>$([MSBuild]::NormalizeDirectory('$(RepoRoot)', 'src', 'mono', 'wasi', 'wasi-sdk'))</WasiSdkForHelixPayload>
 
-    <!--<NeedsWorkload Condition="'$(Scenario)' == 'BuildWasmApps'">true</NeedsWorkload>-->
+    <NeedsWorkload Condition="'$(Scenario)' == 'BuildWasmApps'">true</NeedsWorkload>
+    <NeedsWasiSdk Condition="'$(NeedsToBuildWasmAppsOnHelix)' == 'true' or '$(Scenario)' == 'BuildWasmApps'">true</NeedsWasiSdk>
+    <NeedsBuiltNugets Condition="'$(Scenario)' == 'BuildWasmApps'">true</NeedsBuiltNugets>
     <IncludeXHarnessCli>true</IncludeXHarnessCli>
     <EnableXHarnessTelemetry>false</EnableXHarnessTelemetry>
     <UseDotNetCliVersionFromGlobalJson>true</UseDotNetCliVersionFromGlobalJson>
+
+    <SdkForWorkloadTestingDirName Condition="'$(NeedsWorkload)' == 'true' and '$(TestUsingWorkloads)' == 'true'">dotnet-latest</SdkForWorkloadTestingDirName>
+    <SdkForWorkloadTestingDirName Condition="'$(NeedsWorkload)' == 'true' and '$(TestUsingWorkloads)' != 'true'">dotnet-none</SdkForWorkloadTestingDirName>
   </PropertyGroup>
 
   <ItemGroup Condition="'$(WindowsShell)' != 'true'">
     <HelixPreCommand Condition="'$(Scenario)' != ''" Include="export SCENARIO=$(Scenario)" />
     <HelixPreCommand Include="export XHARNESS_DISABLE_COLORED_OUTPUT=true" />
     <HelixPreCommand Include="export XHARNESS_LOG_WITH_TIMESTAMPS=true" />
     <HelixPreCommand Condition="'$(NeedsWasmtime)' == 'true'" Include="export PATH=$HELIX_CORRELATION_PAYLOAD/wasmtime:$PATH" />
+    <HelixPreCommand Condition="'$(NeedsWasiSdk)' == 'true'" Include="export PATH=$HELIX_CORRELATION_PAYLOAD/wasi-sdk:$PATH" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(WindowsShell)' == 'true'">
     <HelixPreCommand Condition="'$(Scenario)' != ''" Include="set SCENARIO=$(Scenario)" />
     <HelixPreCommand Include="set XHARNESS_DISABLE_COLORED_OUTPUT=true" />
     <HelixPreCommand Include="set XHARNESS_LOG_WITH_TIMESTAMPS=true" />
     <HelixPreCommand Condition="'$(NeedsWasmtime)' == 'true'" Include="set PATH=%HELIX_CORRELATION_PAYLOAD%\wasmtime%3B%PATH%" />
+    <HelixPreCommand Condition="'$(NeedsWasiSdk)' == 'true'" Include="set PATH=%HELIX_CORRELATION_PAYLOAD%\wasi-sdk%3B%PATH%" />
   </ItemGroup>
 
-  <PropertyGroup>
+  <PropertyGroup Condition="'$(Scenario)' == 'BuildWasmApps'">
+    <_XUnitTraitArg Condition="'$(TestUsingWorkloads)' == 'true'">-notrait category=no-workload</_XUnitTraitArg>
+    <_XUnitTraitArg Condition="'$(TestUsingWorkloads)' != 'true'">-trait category=no-workload</_XUnitTraitArg>
+  </PropertyGroup>
 
-    <!--
-      We are hosting the payloads for the WASM/browser on kestrel in the xharness process.
-      We also run some network tests to this server and so, we are running it on both HTTP and HTTPS.
-      For the HTTPS endpoint we need development SSL certificate.
-    -->
-    <InstallDevCerts>$(IsRunningLibraryTests)</InstallDevCerts>
+  <ItemGroup Condition="'$(Scenario)' == 'BuildWasmApps'">
+    <HelixPreCommand Condition="'$(WindowsShell)' == 'true'" Include="set &quot;XUnitTraitArg=$(_XUnitTraitArg)&quot;" />
+    <HelixPreCommand Condition="'$(WindowsShell)' != 'true'" Include="export &quot;XUnitTraitArg=$(_XUnitTraitArg)&quot;" />
 
-    <!-- Install SDK so that, we could use `dotnet dev-certs https` -->
-    <NeedsDotNetSdk Condition="'$(NeedsWorkload)' != 'true'">true</NeedsDotNetSdk>
-  </PropertyGroup>
+    <HelixPreCommand Condition="'$(WindowsShell)' == 'true'" Include="set &quot;BUILT_NUGETS_PATH=%HELIX_CORRELATION_PAYLOAD%/built-nugets&quot;" />
+    <HelixPreCommand Condition="'$(WindowsShell)' != 'true'" Include="export &quot;BUILT_NUGETS_PATH=$HELIX_CORRELATION_PAYLOAD/built-nugets&quot;" />
 
-  <Choose>
-    <When Condition="'$(NeedsEMSDK)' == 'true'">
-      <PropertyGroup>
-        <NeedsDotNetSdk>true</NeedsDotNetSdk>
-        <!-- <UseDotNetCliVersionFromGlobalJson>true</UseDotNetCliVersionFromGlobalJson> -->
-        <IncludeXHarnessCli>true</IncludeXHarnessCli>
-        <EnableXHarnessTelemetry>false</EnableXHarnessTelemetry>
-      </PropertyGroup>
-    </When>
-    <When Condition="'$(NeedsEMSDKNode)' == 'true'">
-      <PropertyGroup>
-        <IncludeXHarnessCli>true</IncludeXHarnessCli>
-        <EnableXHarnessTelemetry>false</EnableXHarnessTelemetry>
-      </PropertyGroup>
-    </When>
-  </Choose>
+    <HelixPreCommand Condition="'$(WindowsShell)' == 'true'" Include="set &quot;SDK_DIR_NAME=$(SdkForWorkloadTestingDirName)&quot;" />
+    <HelixPreCommand Condition="'$(WindowsShell)' != 'true'" Include="export &quot;SDK_DIR_NAME=$(SdkForWorkloadTestingDirName)&quot;" />
+
+    <HelixPreCommand Condition="'$(WindowsShell)' == 'true'" Include="set &quot;WASI_SDK_PATH=%HELIX_CORRELATION_PAYLOAD%\build\wasi-sdk&quot;" />
+    <HelixPreCommand Condition="'$(WindowsShell)' != 'true'" Include="export &quot;WASI_SDK_PATH=$HELIX_CORRELATION_PAYLOAD/build/wasi-sdk&quot;" />
+
+    <HelixPreCommand Condition="'$(WindowsShell)' == 'true'" Include="set &quot;DOTNET_SKIP_FIRST_TIME_EXPERIENCE=1&quot;" />
+    <HelixPreCommand Condition="'$(WindowsShell)' != 'true'" Include="export &quot;DOTNET_SKIP_FIRST_TIME_EXPERIENCE=1&quot;" />
+  </ItemGroup>
+
+  <PropertyGroup Condition="'$(NeedsWasiSdk)' == 'true'">
+    <NeedsDotNetSdk>true</NeedsDotNetSdk>
+    <!-- <UseDotNetCliVersionFromGlobalJson>true</UseDotNetCliVersionFromGlobalJson> -->
+    <IncludeXHarnessCli>true</IncludeXHarnessCli>
+    <EnableXHarnessTelemetry>false</EnableXHarnessTelemetry>
+  </PropertyGroup>
 
   <Import Project="$(RepositoryEngineeringDir)testing\wasi-provisioning.targets" />
 
   <Target Name="PrepareHelixCorrelationPayload_Wasi">
-    <!-- FIXME: check wasmtime  -->
+    <Error Text="Cannot find %24(WasmtimeDir)=$(WasmtimeDir)" Condition="'$(WasmtimeDir)' == '' or !Exists($(WasmtimeDir))" />
+    <Message Condition="'$(NeedsWasiSdk)' == 'true'" Importance="High" Text="Using wasi-sdk: $(WasiSdkForHelixPayload)" />
 
     <ItemGroup>
-      <HelixCorrelationPayload Condition="'$(NeedsWasmtime)' == 'true'" Include="$(WasmTimeDir)" Destination="wasmtime" />
+      <HelixCorrelationPayload Include="$(WasmtimeDir)" Destination="wasmtime" Condition="'$(NeedsWasmtime)' == 'true'" />
+
+      <HelixCorrelationPayload Include="$(_ShippingPackagesPath)"  Destination="built-nugets" Condition="'$(NeedsBuiltNugets)' == 'true'" />
+      <HelixCorrelationPayload Include="$(WasiSdkForHelixPayload)" Destination="build/wasi-sdk" Condition="'$(NeedsWasiSdk)' == 'true'" />
     </ItemGroup>
   </Target>
 
@@ -107,4 +138,51 @@
       </HelixWorkItem>
     </ItemGroup>
   </Target>
+
+  <Target Name="_AddWorkItemsForBuildWasmApps" Condition="'$(Scenario)' == 'BuildWasmApps'">
+    <PropertyGroup>
+      <WorkItemPrefix Condition="'$(TestUsingWorkloads)' == 'true'">Workloads-</WorkItemPrefix>
+      <WorkItemPrefix Condition="'$(TestUsingWorkloads)' != 'true'">NoWorkload-</WorkItemPrefix>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <!-- for buildwasmapps, the archive path is set in src/libraries/Directory.Build.props, so use that -->
+      <_WasmWorkItem Include="$(WorkItemArchiveWildCard)" Exclude="$(HelixCorrelationPayload)" />
+    </ItemGroup>
+    <PropertyGroup>
+      <_BuildWasmAppsPayloadArchive>@(_WasmWorkItem)</_BuildWasmAppsPayloadArchive>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <HelixWorkItem Include="$(WorkItemPrefix)Wasi.Build.Tests" Condition="'$(TestUsingWorkloads)' == 'true'">
+        <PayloadArchive>$(_BuildWasmAppsPayloadArchive)</PayloadArchive>
+        <Command>$(HelixCommand)</Command>
+        <Timeout>$(_workItemTimeout)</Timeout>
+      </HelixWorkItem>
+
+      <HelixWorkItem Include="$(WorkItemPrefix)Wasi.Build.Tests" Condition="'$(TestUsingWorkloads)' != 'true'">
+        <PayloadArchive>$(_BuildWasmAppsPayloadArchive)</PayloadArchive>
+        <Command>$(HelixCommand)</Command>
+        <Timeout>$(_workItemTimeout)</Timeout>
+      </HelixWorkItem>
+    </ItemGroup>
+  </Target>
+
+  <!-- CI has wasi-sdk provisioned in $(WASK_SDK_PATH) as `/usr/local/wasi-sdk`. Because helix tasks will
+       attempt to write a .payload file, we cannot use $(WASI_SDK_PATH) to package wasi-sdk as a helix correlation
+       payload. Instead, we copy over the files to a new directory `src/mono/wasi/wasi-sdk` and use that. -->
+  <Target Name="StageWasiSdkForHelix" Condition="'$(NeedsWasiSdk)' == 'true' and !Exists($(WasiSdkForHelixPayload))">
+    <Error Condition="'$(WASI_SDK_PATH)' == '' or !Exists($(WASI_SDK_PATH))"
+           Text="Could not find wasi sdk in WASI_SDK_PATH=$(WASI_SDK_PATH), needed to provision for running tests on helix" />
+
+    <MakeDir Directories="$(WasiSdkForHelixPayload)" />
+
+    <ItemGroup>
+      <_WasiSdkFiles Include="$(WASI_SDK_PATH)\**\*" Exclude="$(WASI_SDK_PATH)\.git\**\*" />
+    </ItemGroup>
+
+    <Copy SourceFiles="@(_WasiSdkFiles)"
+          DestinationFiles="@(_WasiSdkFiles -> '$(WasiSdkForHelixPayload)\%(RecursiveDir)%(FileName)%(Extension)')"
+          SkipUnchangedFiles="true" />
+  </Target>
 </Project>
diff --git a/src/libraries/sendtohelix.proj b/src/libraries/sendtohelix.proj
@@ -81,7 +81,7 @@
     <!-- For BuildWasmApps we want to build the project 4 times, with: TestUsingWorkloads=true, and TestUsingWorkloads=false and TestUsingWebcil=true and TestUsingWebcil=false-->
     <ItemGroup Condition="'@(_Scenarios -> AnyHaveMetadataValue('Identity', 'buildwasmapps'))' == 'true'">
       <_TestUsingWorkloadsValues Include="true;false" />
-      <_TestUsingWebcilValues Include="true;false" />
+      <_TestUsingWebcilValues Include="true;false" Condition="'$(TargetOS)' == 'browser'" />
 
       <!-- now make the cartesian product of true and false values for two categories -->
       <_TestUsingCrossProductValuesTemp Include="@(_TestUsingWorkloadsValues)">

diff --git a/src/libraries/sendtohelixhelp.proj b/src/libraries/sendtohelixhelp.proj
@@ -128,8 +128,9 @@
     <HelixCommandPrefixItem Condition="'$(WindowsShell)' != 'true'" Include="PATH=$HELIX_CORRELATION_PAYLOAD/$(SdkForWorkloadTestingDirName):$PATH" />
     <HelixCommandPrefixItem Condition="'$(WindowsShell)' == 'true'" Include="PATH=%HELIX_CORRELATION_PAYLOAD%\$(SdkForWorkloadTestingDirName)%3B%PATH%" />
 
-    <HelixCommandPrefixItem Condition="'$(WindowsShell)' != 'true'" Include="DOTNET_CLI_HOME=$HELIX_CORRELATION_PAYLOAD/$(SdkForWorkloadTestingDirName)" />
-    <!--<HelixCommandPrefixItem Condition="'$(WindowsShell)' == 'true'" Include="DOTNET_CLI_HOME=%HELIX_CORRELATION_PAYLOAD%\$(SdkForWorkloadTestingDirName)" />-->
+    <!-- set this to a writable location so the first time experience can write create sentinels -->
+    <HelixCommandPrefixItem Condition="'$(WindowsShell)' != 'true'" Include="DOTNET_CLI_HOME=$HELIX_WORKITEM_ROOT/.dotnet" />
+    <HelixCommandPrefixItem Condition="'$(WindowsShell)' == 'true'" Include="DOTNET_CLI_HOME=%HELIX_WORKITEM_ROOT%\.dotnet" />
 
     <HelixCommandPrefixItem Condition="'$(WindowsShell)' != 'true'" Include="DOTNET_ROOT=$HELIX_CORRELATION_PAYLOAD/$(SdkForWorkloadTestingDirName)" />
     <!--<HelixCommandPrefixItem Condition="'$(WindowsShell)' == 'true'" Include="DOTNET_ROOT=%HELIX_CORRELATION_PAYLOAD%\$(SdkForWorkloadTestingDirName)" />-->

diff --git a/src/libraries/tests.proj b/src/libraries/tests.proj
@@ -592,6 +592,13 @@
                                      ('$(ContinuousIntegrationBuild)' != 'true' and '$(TestAssemblies)' == 'true'))"
                       BuildInParallel="false" />
 
+    <ProjectReference Include="$(RepoRoot)\src\mono\wasi\Wasi.Build.Tests\*.Tests.csproj"
+                      Exclude="@(ProjectExclusions)"
+                      Condition="'$(TargetOS)' == 'wasi' and
+                                    (('$(ContinuousIntegrationBuild)' == 'true' and '$(TestWasmBuildTests)' == 'true') or
+                                     ('$(ContinuousIntegrationBuild)' != 'true' and '$(TestAssemblies)' == 'true'))"
+                      BuildInParallel="false" />
+
     <ProjectReference Include="$(RepoRoot)\src\mono\wasm\debugger\Wasm.Debugger.Tests\*.Tests.csproj"
                       Exclude="@(ProjectExclusions)"
                       Condition="'$(TargetOS)' == 'browser' and