diff --git a/eng/testing/tests.browser.targets b/eng/testing/tests.browser.targets
index 3ff4c3b507763..8ece2d7b4b024 100644
--- a/eng/testing/tests.browser.targets
+++ b/eng/testing/tests.browser.targets
@@ -173,16 +173,6 @@
       <WasmGenerateRunV8Script>true</WasmGenerateRunV8Script>
 
       <WasmNativeDebugSymbols Condition="'$(DebuggerSupport)' == 'true' and '$(WasmNativeDebugSymbols)' == ''">true</WasmNativeDebugSymbols>
-      <!--
-        Do this *after* importing BrowserWasmApp.targets. tests.wasm.targets sets this to `reset-to-zero` to indicate
-        that we want to force this value to zero.
-
-        BrowserWasmApp.targets *overrides* `WasmDebugLevel` when `DebuggerSupport=true`, but for the library tests
-        we explicitly want to:
-        1. build with DebuggerSupport=true so the debugger attributes are preserved by the linker;
-        2. *debugging* is disabled at run time so the interpreter optimizations don't get disabled.
-      -->
-      <WasmDebugLevel Condition="'$(WasmDebugLevel)' == 'reset-to-zero'">0</WasmDebugLevel>
     </PropertyGroup>
 
     <ItemGroup Condition="'$(IncludeSatelliteAssembliesInVFS)' == 'true' and '$(BuildAOTTestsOnHelix)' != 'true'">
diff --git a/eng/testing/tests.wasi.targets b/eng/testing/tests.wasi.targets
index e8f75ee3821bc..d7183c26cb597 100644
--- a/eng/testing/tests.wasi.targets
+++ b/eng/testing/tests.wasi.targets
@@ -94,16 +94,6 @@
       <WasmInvariantGlobalization>$(InvariantGlobalization)</WasmInvariantGlobalization>
 
       <WasmNativeDebugSymbols Condition="'$(DebuggerSupport)' == 'true' and '$(WasmNativeDebugSymbols)' == ''">true</WasmNativeDebugSymbols>
-      <!--
-        Do this *after* importing BrowserWasmApp.targets. tests.wasm.targets sets this to `reset-to-zero` to indicate
-        that we want to force this value to zero.
-
-        BrowserWasmApp.targets *overrides* `WasmDebugLevel` when `DebuggerSupport=true`, but for the library tests
-        we explicitly want to:
-        1. build with DebuggerSupport=true so the debugger attributes are preserved by the linker;
-        2. *debugging* is disabled at run time so the interpreter optimizations don't get disabled.
-      -->
-      <WasmDebugLevel Condition="'$(WasmDebugLevel)' == 'reset-to-zero'">0</WasmDebugLevel>
     </PropertyGroup>
 
     <ItemGroup Condition="'$(IncludeSatelliteAssembliesInVFS)' == 'true' and '$(BuildAOTTestsOnHelix)' != 'true'">
diff --git a/eng/testing/tests.wasm.targets b/eng/testing/tests.wasm.targets
index bf29d930d02f5..ef52bce43743c 100644
--- a/eng/testing/tests.wasm.targets
+++ b/eng/testing/tests.wasm.targets
@@ -15,10 +15,7 @@
         But we do want to set it for Configuration=Debug .
     -->
     <WasmDebugLevel Condition="'$(Configuration)' == 'Debug' and '$(WasmDebugLevel)' == ''">-1</WasmDebugLevel>
-    <!-- We want to have WasmDebugLevel=0, but if DebuggerSupport=true then BrowserWasmApp.targets
-         *will* override it. So, set this to "reset-to-zero" here, and reset the value later
-         in targets. -->
-    <WasmDebugLevel Condition="'$(DebuggerSupport)' == 'true' and '$(ContinuousIntegrationBuild)' == 'true' and '$(WasmDebugLevel)' == ''">reset-to-zero</WasmDebugLevel>
+    <WasmDebugLevel Condition="'$(WasmDebugLevel)' == ''">0</WasmDebugLevel>
 
     <TrimMode Condition="'$(TrimMode)' == ''">full</TrimMode>
     <JsonSerializerIsReflectionEnabledByDefault Condition="'$(JsonSerializerIsReflectionEnabledByDefault)' == ''">true</JsonSerializerIsReflectionEnabledByDefault>
diff --git a/src/libraries/System.Collections.Immutable/tests/System.Collections.Immutable.Tests.csproj b/src/libraries/System.Collections.Immutable/tests/System.Collections.Immutable.Tests.csproj
index c34ddf6a4365f..cd83bd88de75b 100644
--- a/src/libraries/System.Collections.Immutable/tests/System.Collections.Immutable.Tests.csproj
+++ b/src/libraries/System.Collections.Immutable/tests/System.Collections.Immutable.Tests.csproj
@@ -5,11 +5,6 @@
     <DebuggerSupport Condition="'$(DebuggerSupport)' == '' and ('$(TargetOS)' == 'browser' or '$(TargetOS)' == 'wasi')">true</DebuggerSupport>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(TargetOS)' == 'browser'">
-    <!-- This WASM test is problematic and slow right now. This sets the xharness timeout but there is also override in sendtohelix-browser.targets -->
-    <WasmXHarnessTestsTimeout>01:15:00</WasmXHarnessTestsTimeout>
-  </PropertyGroup>
-
   <ItemGroup>
     <RdXmlFile Include="default.rd.xml" />
   </ItemGroup>
diff --git a/src/libraries/System.Memory/tests/System.Memory.Tests.csproj b/src/libraries/System.Memory/tests/System.Memory.Tests.csproj
index a8afce4264197..319edd9039f8f 100644
--- a/src/libraries/System.Memory/tests/System.Memory.Tests.csproj
+++ b/src/libraries/System.Memory/tests/System.Memory.Tests.csproj
@@ -6,11 +6,6 @@
     <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(TargetOS)' == 'browser'">
-    <!-- This WASM test is problematic and slow right now. This sets the xharness timeout but there is also override in sendtohelix-browser.targets -->
-    <WasmXHarnessTestsTimeout>01:15:00</WasmXHarnessTestsTimeout>
-  </PropertyGroup>
-  
   <ItemGroup>
     <RdXmlFile Include="default.rd.xml" />
   </ItemGroup>
diff --git a/src/libraries/System.Net.Http/tests/FunctionalTests/System.Net.Http.Functional.Tests.csproj b/src/libraries/System.Net.Http/tests/FunctionalTests/System.Net.Http.Functional.Tests.csproj
index af5d23586c302..5447195840f31 100644
--- a/src/libraries/System.Net.Http/tests/FunctionalTests/System.Net.Http.Functional.Tests.csproj
+++ b/src/libraries/System.Net.Http/tests/FunctionalTests/System.Net.Http.Functional.Tests.csproj
@@ -24,7 +24,7 @@
     <TestArchiveTestsRoot>$(TestArchiveRoot)browserornodejs/</TestArchiveTestsRoot>
     <TestArchiveTestsDir>$(TestArchiveTestsRoot)$(OSPlatformConfig)/</TestArchiveTestsDir>
     <DefineConstants>$(DefineConstants);TARGET_BROWSER</DefineConstants>
-    <!-- This WASM test is problematic and slow right now. This sets the xharness timeout but there is also override in sendtohelix-browser.targets -->
+    <!-- This WASM test is slow on NodeJS. This sets the xharness timeout but there is also override in sendtohelix-browser.targets -->
     <WasmXHarnessTestsTimeout>01:15:00</WasmXHarnessTestsTimeout>
   </PropertyGroup>
 
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 ae9109b200f6b..b321f77aa21f3 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
@@ -13,8 +13,6 @@
     <TestArchiveTestsRoot>$(TestArchiveRoot)browserornodejs/</TestArchiveTestsRoot>
     <TestArchiveTestsDir>$(TestArchiveTestsRoot)$(OSPlatformConfig)/</TestArchiveTestsDir>
     <DefineConstants>$(DefineConstants);TARGET_BROWSER</DefineConstants>
-    <!-- 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>
 
diff --git a/src/libraries/System.Private.Xml/tests/System.Private.Xml.Tests.csproj b/src/libraries/System.Private.Xml/tests/System.Private.Xml.Tests.csproj
index 5ab928104f016..66bae45f35293 100644
--- a/src/libraries/System.Private.Xml/tests/System.Private.Xml.Tests.csproj
+++ b/src/libraries/System.Private.Xml/tests/System.Private.Xml.Tests.csproj
@@ -14,8 +14,6 @@
     <TestArchiveTestsRoot>$(TestArchiveRoot)browserornodejs/</TestArchiveTestsRoot>
     <TestArchiveTestsDir>$(TestArchiveTestsRoot)$(OSPlatformConfig)/</TestArchiveTestsDir>
     <DefineConstants>$(DefineConstants);TARGET_BROWSER</DefineConstants>
-    <!-- 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>
   </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 aed69c98cd0c1..b46a3c542af35 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
@@ -23,8 +23,6 @@
     <Features>$(Features.Replace('nullablePublicOnly', '')</Features>
   </PropertyGroup>
   <PropertyGroup Condition="'$(TargetOS)' == 'browser'">
-    <!-- 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="'$(ContinuousIntegrationBuild)' == 'true'">
diff --git a/src/libraries/sendtohelix-browser.targets b/src/libraries/sendtohelix-browser.targets
index 231cb656482c5..e1d0d2a5c9324 100644
--- a/src/libraries/sendtohelix-browser.targets
+++ b/src/libraries/sendtohelix-browser.targets
@@ -242,16 +242,7 @@
         <PayloadArchive>%(Identity)</PayloadArchive>
         <Command>$(HelixCommand)</Command>
         <Timeout>$(_workItemTimeout)</Timeout>
-        <!--
-          These WASM tests are problematic and slow right now, in this section it's about nodejs and chrome.
-          Below is same section for V8. There is also Xharness timeout override in the test project.
-        -->
-        <Timeout Condition="'%(FileName)' == 'System.Text.Json.Tests'">01:20:00</Timeout>
-        <Timeout Condition="'%(FileName)' == 'System.Collections.Immutable.Tests'">01:20:00</Timeout>
-        <Timeout Condition="'%(FileName)' == 'System.Net.WebSockets.Client.Tests'">01:20:00</Timeout>
-        <Timeout Condition="'%(FileName)' == 'System.Net.Http.Functional.Tests'">01:20:00</Timeout>
-        <Timeout Condition="'%(FileName)' == 'System.Memory.Tests'">01:20:00</Timeout>
-        <Timeout Condition="'%(FileName)' == 'System.Private.Xml.Tests'">01:20:00</Timeout>
+        <Timeout Condition="'$(Scenario)' == 'WasmTestOnNodeJS' and '%(FileName)' == 'System.Net.Http.Functional.Tests'">01:20:00</Timeout>
       </HelixWorkItem>
     </ItemGroup>
 
@@ -277,13 +268,6 @@
         <PayloadArchive>%(Identity)</PayloadArchive>
         <Command>$(HelixCommand)</Command>
         <Timeout>$(_workItemTimeout)</Timeout>
-        <!-- These WASM tests are problematic and slow right now, in this section it's about V8. Above is same section for nodejs and chrome -->
-        <Timeout Condition="'%(FileName)' == 'System.Text.Json.Tests'">01:20:00</Timeout>
-        <Timeout Condition="'%(FileName)' == 'System.Collections.Immutable.Tests'">01:20:00</Timeout>
-        <Timeout Condition="'%(FileName)' == 'System.Net.WebSockets.Client.Tests'">01:20:00</Timeout>
-        <Timeout Condition="'%(FileName)' == 'System.Net.Http.Functional.Tests'">01:20:00</Timeout>
-        <Timeout Condition="'%(FileName)' == 'System.Memory.Tests'">01:20:00</Timeout>
-        <Timeout Condition="'%(FileName)' == 'System.Private.Xml.Tests'">01:20:00</Timeout>
       </HelixWorkItem>
 
     </ItemGroup>
diff --git a/src/mono/browser/test-main.js b/src/mono/browser/test-main.js
index 96727664e51bf..4029323393e1e 100644
--- a/src/mono/browser/test-main.js
+++ b/src/mono/browser/test-main.js
@@ -368,7 +368,7 @@ async function run() {
                 const main_assembly_name = runArgs.applicationArguments[1];
                 const app_args = runArgs.applicationArguments.slice(2);
                 const result = await App.runtime.runMain(main_assembly_name, app_args);
-                console.log(`test-main.js exiting ${app_args.length > 1 ? main_assembly_name + " " + app_args[0] : main_assembly_name} with result ${result}`);
+                console.log(`test-main.js exiting ${app_args.length > 1 ? main_assembly_name + " " + app_args[0] : main_assembly_name} with result ${result} and linear memory ${App.runtime.Module.HEAPU8.length} bytes`);
                 mono_exit(result);
             } catch (error) {
                 if (error.name != "ExitStatus") {