diff --git a/test/SdkTests/SdkTests.csproj b/test/SdkTests/SdkTests.csproj
index e00bd4a47..2a1696f8c 100644
--- a/test/SdkTests/SdkTests.csproj
+++ b/test/SdkTests/SdkTests.csproj
@@ -227,6 +227,12 @@
       <TestArgs>$(TestArgs) -testList SdkIntegrationTests</TestArgs>
     </PropertyGroup>
 
+
+    <PropertyGroup Condition="('$(OS)' == 'Windows_NT') And ('$(Architecture)' == 'x86')">
+      <!-- Add list of tests to skip on x86 -->
+      <TestArgs>$(TestArgs) -testConfigFile "$(MSBuildThisFileDirectory)TestsToSkipx86.xml"</TestArgs>
+    </PropertyGroup>
+
     <PropertyGroup Condition="'$(OS)' == 'Windows_NT'">
       <ToolRunPrefix>$(ToolRunPrefix)set MSBuildSDKsPath= &amp;&amp; </ToolRunPrefix>
       <ToolRunPrefix>$(ToolRunPrefix)set DOTNET_HOST_PATH= &amp;&amp; </ToolRunPrefix>
diff --git a/test/SdkTests/TestConfig.xml b/test/SdkTests/TestConfig.xml
index 3a7a4998c..a7e2063cd 100644
--- a/test/SdkTests/TestConfig.xml
+++ b/test/SdkTests/TestConfig.xml
@@ -45,6 +45,11 @@
   </TestList>
   
   <SkippedTests>
+    <Method Name="Microsoft.NET.Publish.Tests.GivenThatWeWantToPublishAHelloWorldProject.It_publishes_portable_apps_to_the_publish_folder_and_the_app_should_run"
+            Skip="true"
+            Issue="https://github.com/dotnet/sdk/pull/3574"
+            Reason="Test update needed (in PR)"/>
+
     <Method Name="Microsoft.NET.Build.Tests.GivenFrameworkReferences.RuntimeFrameworkVersionCanBeSpecifiedOnFrameworkReference"
             Skip="true"
             Issue="https://github.com/dotnet/sdk/pull/3221"
diff --git a/test/SdkTests/TestsToSkipx86.xml b/test/SdkTests/TestsToSkipx86.xml
new file mode 100644
index 000000000..c4cde72c5
--- /dev/null
+++ b/test/SdkTests/TestsToSkipx86.xml
@@ -0,0 +1,20 @@
+<Tests>
+  <SkippedTests>
+    <Method Name="Microsoft.NET.Publish.Tests.GivenThatWeWantToPublishAFrameworkDependentApp.It_publishes_with_or_without_apphost"
+            Skip="true"
+            Reason="Test assumes test process architecture is the same as architecture under test"/>
+
+    <Method Name="Microsoft.NET.Build.Tests.GivenThatWeWantToBuildANetCoreApp.It_runs_a_rid_specific_app_with_conflicts_from_the_output_folder"
+          Skip="true"
+          Reason="Test assumes test process architecture is the same as architecture under test"/>
+
+    <Method Name="Microsoft.NET.Build.Tests.GivenThatWeWantToBuildANetCoreApp.It_runs_a_rid_specific_app_from_the_output_folder"
+          Skip="true"
+          Reason="Test assumes test process architecture is the same as architecture under test"/>
+
+    <Method Name="Microsoft.NET.Build.Tests.AppHostTests.It_builds_a_runnable_apphost_by_default"
+          Skip="true"
+          Reason="Test assumes test process architecture is the same as architecture under test"/>
+
+  </SkippedTests>
+</Tests>