Reenable readytorun/coreroot_determinism since referenced issues are …

…closed. (#50676)

* Both referenced issues have been closed.

* Other tests that are disable with closed issue.

src/tests/baseservices/threading/regressions/beta2/437017.csproj

@@ -1,8 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <!-- Disable for GCStress due to test failure: https://github.com/dotnet/runtime/issues/37237 -->
-    <GCStressIncompatible>true</GCStressIncompatible>
     <!-- This test leaves random number of WaitOrTimerCallbacks registered at the exit, which prevents unloading -->
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
     <CLRTestPriority>1</CLRTestPriority>

src/tests/baseservices/threading/threadpool/unregister/regression_749068.csproj

@@ -2,8 +2,6 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <CLRTestPriority>1</CLRTestPriority>
-    <!-- Disable for GCStress due to test failure: https://github.com/dotnet/runtime/issues/37237 -->
-    <GCStressIncompatible>true</GCStressIncompatible>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="regression_749068.cs" />

src/tests/readytorun/coreroot_determinism/coreroot_determinism.csproj

@@ -4,11 +4,6 @@
     <CLRTestKind>BuildAndRun</CLRTestKind>
     <CLRTestPriority>0</CLRTestPriority>
     <CLRTestTargetUnsupported Condition="'$(RuntimeFlavor)' != 'coreclr'">true</CLRTestTargetUnsupported>
-    <!-- Known not to work with GCStress for now: https://github.com/dotnet/runtime/issues/13394 -->
-    <GCStressIncompatible>true</GCStressIncompatible>
-    <!-- It is currently failing with JitStress https://github.com/dotnet/runtime/issues/45326-->
-    <JitOptimizationSensitive>true</JitOptimizationSensitive>
-    <!-- This is an explicit crossgen test -->
     <CrossGenTest>false</CrossGenTest>
     <OldToolsVersion>2.0</OldToolsVersion>
   </PropertyGroup>