Disable string comparison and library mode tests on Apple mobile (#116813)

* Disable string comparison tests on Apple mobile

* Disable library mode test

Author: kotlarmilos

src/libraries/Common/tests/Tests/System/StringTests.cs

@@ -2121,6 +2121,7 @@ public static void EndsWithMatchDifferentSpans_StringComparison()
         }
 
         [Fact]
+        [ActiveIssue("https://github.com/dotnet/runtime/issues/108832", typeof(PlatformDetection), nameof(PlatformDetection.IsAppleMobile))]
         public static void EndsWithNoMatch_StringComparison()
         {
             for (int length = 1; length < 150; length++)
@@ -7308,6 +7309,7 @@ public static void StartsWithMatchDifferentSpans_StringComparison()
         }
 
         [Fact]
+        [ActiveIssue("https://github.com/dotnet/runtime/issues/112195", typeof(PlatformDetection), nameof(PlatformDetection.IsAppleMobile))]
         public static void StartsWithNoMatch_StringComparison()
         {
             for (int length = 1; length < 150; length++)

src/libraries/tests.proj

@@ -347,6 +347,8 @@
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)Microsoft.Extensions.Options.ConfigurationExtensions\tests\SourceGenerationTests\Microsoft.Extensions.Options.ConfigurationExtensions.SourceGeneration.Tests.csproj" />
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)Microsoft.Extensions.Options/tests/SourceGenerationTests/Microsoft.Extensions.Options.SourceGeneration.Tests.csproj" />
     <ProjectExclusions Include="$(MSBuildThisFileDirectory)Microsoft.Extensions.Options/tests/SourceGeneration.Unit.Tests/Microsoft.Extensions.Options.SourceGeneration.Unit.Tests.csproj" />
+    <!-- Tracking issue: https://github.com/dotnet/runtime/issues/116558 -->
+    <ProjectExclusions Include="$(RepoRoot)/src/tests/FunctionalTests/iOS/Device/LibraryMode/iOS.Device.LibraryMode.Test.csproj" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetOS)' == 'browser' and '$(RunDisabledWasmTests)' != 'true' and '$(RunAOTCompilation)' != 'true'">