diff --git a/src/libraries/System.Runtime.InteropServices.RuntimeInformation/tests/CheckArchitectureTests.cs b/src/libraries/System.Runtime.InteropServices.RuntimeInformation/tests/CheckArchitectureTests.cs
index d97aaeb1d83fd8..4fa46f5bed27aa 100644
--- a/src/libraries/System.Runtime.InteropServices.RuntimeInformation/tests/CheckArchitectureTests.cs
+++ b/src/libraries/System.Runtime.InteropServices.RuntimeInformation/tests/CheckArchitectureTests.cs
@@ -32,6 +32,10 @@ public void VerifyArchitecture()
Assert.Equal(IntPtr.Size == 4 ? Architecture.Arm : Architecture.Arm64, processArch);
break;
+ case Architecture.Wasm:
+ Assert.Equal(Architecture.Wasm, processArch);
+ break;
+
default:
Assert.False(true, "Unexpected Architecture.");
break;
diff --git a/src/libraries/System.Runtime.InteropServices.RuntimeInformation/tests/DescriptionNameTests.cs b/src/libraries/System.Runtime.InteropServices.RuntimeInformation/tests/DescriptionNameTests.cs
index ff2f61740618fc..7d0d5c4317e5e0 100644
--- a/src/libraries/System.Runtime.InteropServices.RuntimeInformation/tests/DescriptionNameTests.cs
+++ b/src/libraries/System.Runtime.InteropServices.RuntimeInformation/tests/DescriptionNameTests.cs
@@ -12,6 +12,7 @@ namespace System.Runtime.InteropServices.RuntimeInformationTests
public class DescriptionNameTests
{
[Fact]
+ [PlatformSpecific(~TestPlatforms.Browser)] // throws PNSE when binariesLocation is not an empty string.
public void DumpRuntimeInformationToConsole()
{
// Not really a test, but useful to dump a variety of information to the test log to help
diff --git a/src/libraries/System.Runtime.InteropServices.RuntimeInformation/tests/RuntimeIdentifierTests.cs b/src/libraries/System.Runtime.InteropServices.RuntimeInformation/tests/RuntimeIdentifierTests.cs
index d25b747b15fb8b..6747714a6279cd 100644
--- a/src/libraries/System.Runtime.InteropServices.RuntimeInformation/tests/RuntimeIdentifierTests.cs
+++ b/src/libraries/System.Runtime.InteropServices.RuntimeInformation/tests/RuntimeIdentifierTests.cs
@@ -11,6 +11,7 @@ namespace System.Runtime.InteropServices.RuntimeInformationTests
public class RuntimeIdentifierTests
{
[Fact]
+ [ActiveIssue("https://github.com/dotnet/runtime/issues/39074", TestPlatforms.Browser)]
public void VerifyOSRid()
{
Assert.NotNull(RuntimeInformation.RuntimeIdentifier);
diff --git a/src/libraries/tests.proj b/src/libraries/tests.proj
index 66b98cebc38808..bff0e200a083b0 100644
--- a/src/libraries/tests.proj
+++ b/src/libraries/tests.proj
@@ -79,7 +79,6 @@
-