[iOS][tvOS] Fix building runtime tests on iOS-like platforms (#91542)

* Do not trim XUnitWrapperGenerator

* Avoid including ILLink

* Publis trimmed only for exes

* Fix duplicates check in merged test runner

Author: simonrozsival

src/tests/Common/mergedrunner.targets

@@ -7,7 +7,7 @@
 
     <ItemGroup>
       <_ProjectReferencesUsedByReferencePaths Include="@(ReferencePath->Metadata('ProjectReferenceOriginalItemSpec'))" />
-      <_ProjectAssemblyReferences Include="@(ProjectReference)" Condition="'%(ProjectReference.OutputItemType)' == ''" />
+      <_ProjectAssemblyReferences Include="@(ProjectReference)" Condition="'%(ProjectReference.OutputItemType)' == '' and '%(ProjectReference.ReferenceOutputAssembly)' != 'false'" />
       <_ProjectAssemblyReferences Remove="@(_ReferenceWithDisabledBuild->Metadata('OriginalItemSpec'))" />
       <_ProjectReferencesRemovedDueToConflictResolution Include="@(_ProjectAssemblyReferences)" Exclude="@(_ProjectReferencesUsedByReferencePaths)" />
     </ItemGroup>
@@ -17,6 +17,6 @@
     -->
     <Error Text="@(_ProjectReferencesRemovedDueToConflictResolution->'This project has an assembly name identical to another project, if this CoreCLRTestLibrary, you should reference %24(TestLibraryProjectPath) instead of constructing the path yourself: %(FullPath)', '&#010;')" Condition="'@(_ProjectReferencesRemovedDueToConflictResolution)' != ''"  />
   </Target>
-  
+
   <Import Project="$(RepoRoot)/src/tests/Common/mergedrunnermobile.targets" Condition="'$(TargetsMobile)' == 'true'" />
-</Project>
+</Project>

src/tests/Directory.Build.props

@@ -205,9 +205,9 @@
     <ImportProjectExtensionTargets>false</ImportProjectExtensionTargets>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(TargetOS)' == 'ios' Or '$(TargetOS)' == 'tvos'">
-    <EnableAggressiveTrimming>true</EnableAggressiveTrimming>
-    <PublishTrimmed>true</PublishTrimmed>
+  <PropertyGroup Condition="'$(TargetOS)' == 'ios' or '$(TargetOS)' == 'tvos'">
+    <EnableAggressiveTrimming Condition="'$(OutputType)' == 'Exe'">true</EnableAggressiveTrimming>
+    <PublishTrimmed Condition="'$(OutputType)' == 'Exe'">true</PublishTrimmed>
     <SkipTestUtilitiesReference>true</SkipTestUtilitiesReference>
   </PropertyGroup>
 

src/tests/MergedTestRunner.targets

@@ -12,10 +12,11 @@
     <EmitCompilerGeneratedFiles Condition="'$(EmitCompilerGeneratedFiles)' == ''">true</EmitCompilerGeneratedFiles>
   </PropertyGroup>
 
+
   <ItemGroup>
     <!-- string.Concat("_", string.Copy("%(Filename)").Replace("-", "_").Replace(".", "_")) -->
     <MergedWrapperProjectReference Update="**" Aliases="$([System.String]::Concat(&quot;_&quot;,$([System.String]::Copy(&quot;%(Filename)&quot;).Replace(&quot;-&quot;,&quot;_&quot;).Replace(&quot;.&quot;,&quot;_&quot;))))" />
 
     <ProjectReference Include="@(MergedWrapperProjectReference)" />
   </ItemGroup>
-</Project>
+</Project>