diff --git a/src/tests/build.proj b/src/tests/build.proj
index 5bbe4b6d82853..d503eecc678ce 100644
--- a/src/tests/build.proj
+++ b/src/tests/build.proj
@@ -589,7 +589,9 @@
       <GroupBuildCmd>$(GroupBuildCmd) "/p:__TestGroupToBuild=$(__TestGroupToBuild)"</GroupBuildCmd>
       <GroupBuildCmd>$(GroupBuildCmd) "/p:__SkipRestorePackages=1"</GroupBuildCmd>
       <GroupBuildCmd>$(GroupBuildCmd) /nodeReuse:false</GroupBuildCmd>
-      <GroupBuildCmd>$(GroupBuildCmd) /maxcpucount</GroupBuildCmd>
+      <GroupBuildCmd Condition="'$(TargetOS)' != 'browser' or '$(ContinuousIntegrationBuild)' != 'true'">$(GroupBuildCmd) /maxcpucount</GroupBuildCmd>
+      <!-- https://github.com/dotnet/runtime/issues/93134 -->
+      <GroupBuildCmd Condition="'$(TargetOS)' == 'browser' and '$(ContinuousIntegrationBuild)' == 'true'">$(GroupBuildCmd) /m:1</GroupBuildCmd>
       <GroupBuildCmd Condition="'$(TargetOS)' == 'ios' or '$(TargetOS)' == 'tvos'">$(GroupBuildCmd) "/p:DevTeamProvisioning=-"</GroupBuildCmd>
       <GroupBuildCmd>$(GroupBuildCmd) /bl:$(ArtifactsDir)/log/$(Configuration)/InnerManagedTestBuild.$(__TestGroupToBuild).binlog</GroupBuildCmd>
       <GroupBuildCmd Condition="'$(CrossBuild)' == 'true'">$(GroupBuildCmd) "/p:CrossBuild=true"</GroupBuildCmd>
diff --git a/src/tests/issues.targets b/src/tests/issues.targets
index cf2be321cf015..7357c7b986510 100644
--- a/src/tests/issues.targets
+++ b/src/tests/issues.targets
@@ -2835,7 +2835,6 @@
         </ExcludeList>
     </ItemGroup>
 
-
     <ItemGroup Condition="'$(TargetArchitecture)' == 'wasm' or '$(TargetsAppleMobile)' == 'true'">
         <ExcludeList Include="$(XunitTestBinBase)/baseservices/finalization/CriticalFinalizer/**">
             <Issue>https://github.com/dotnet/runtime/issues/75756</Issue>
@@ -3272,6 +3271,9 @@
         <ExcludeList Include="$(XunitTestBinBase)/tracing/eventpipe/gcdump/**">
             <Issue>System.Diagnostics.Process is not supported on wasm</Issue>
         </ExcludeList>
+        <ExcludeList Include = "$(XunitTestBinBase)/Interop/PInvoke/Vector2_3_4/Vector2_3_4/**">
+            <Issue>needs native libraries</Issue>
+        </ExcludeList>
     </ItemGroup>
 
     <ItemGroup Condition="'$(TargetOS)' == 'android'" >