Don't always set IlcRPath in tests

Author: elinor-fung

src/tests/Directory.Build.targets

@@ -527,10 +527,10 @@
          variables is horribly slow (seeing 1.4 seconds on a 11th gen Intel Core i7) -->
     <IlcUseEnvironmentalTools>true</IlcUseEnvironmentalTools>
 
-    <!-- NativeAOT compiled output is placed into a 'native' subdirectory: we need to tweak
+    <!-- NativeAOT compiled output is placed into a 'native' subdirectory: we need to set
          rpath so that the test can load its native library dependencies if there's any -->
-    <IlcRPath Condition="'$(TargetOS)' == 'osx' or '$(TargetsAppleMobile)' == 'true'">@executable_path/..</IlcRPath>
-    <IlcRPath Condition="'$(IlcRPath)' == ''">$ORIGIN/..</IlcRPath>
+    <IlcRPath Condition="'$(SetIlcRPath)' != 'false' and ('$(TargetOS)' == 'osx' or '$(TargetsAppleMobile)' == 'true')">@executable_path/..</IlcRPath>
+    <IlcRPath Condition="'$(SetIlcRPath)' != 'false' and '$(IlcRPath)' == ''">$ORIGIN/..</IlcRPath>
 
     <!-- Works around "Error: Native compilation can run on x64 and arm64 hosts only" -->
     <DisableUnsupportedError>true</DisableUnsupportedError>

src/tests/Interop/DllImportSearchPaths/DllImportSearchPathsTest.csproj

@@ -4,6 +4,7 @@
     <!-- in its output folder for the purpose of testing assembly loading. -->
     <RequiresProcessIsolation>true</RequiresProcessIsolation>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <SetIlcRPath>false</SetIlcRPath>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="*.cs" />

src/tests/Interop/NativeLibrary/API/NativeLibraryTests.csproj

@@ -6,6 +6,7 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <!-- Finalize in different assembly from Dispose, tries to load the assembly with Dispose after the ALC unload started -->
     <UnloadabilityIncompatible>true</UnloadabilityIncompatible>
+    <SetIlcRPath>false</SetIlcRPath>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="*.cs" />
@@ -44,7 +45,11 @@
     <ItemGroup>
       <NativeLibrariesToCopyAOT Include="$(OutDir)/libNativeLibrary.*" />
       <NativeLibrariesToCopyAOT Include="$(OutDir)/NativeLibrary.*" />
+      <GlobalLoadHelpersToCopy Include="$(OutDir)/libGlobalLoadHelper.*" />
+      <GlobalLoadHelpersToCopy Include="$(OutDir)/GlobalLoadHelper.*" />
     </ItemGroup>
+    <Copy SourceFiles="@(NativeLibrariesToCopyAOT)" DestinationFiles="@(NativeLibrariesToCopyAOT -> '$(NativeOutputPath)/%(Filename)%(Extension)')" />
     <Copy SourceFiles="@(NativeLibrariesToCopyAOT)" DestinationFiles="@(NativeLibrariesToCopyAOT -> '$(NativeOutputPath)/%(Filename)-in-native%(Extension)')" />
+    <Copy SourceFiles="@(GlobalLoadHelpersToCopy)" DestinationFiles="@(GlobalLoadHelpersToCopy -> '$(NativeOutputPath)/%(Filename)%(Extension)')" />
   </Target>
 </Project>