[iOS][tvOS][libraries] Test Suites Crash

[mdh1418]

Based on results from #49917 the following suites have crashed atleast once for iOS/tvOS and did not produce a testResults.xml

Investigating particular crashes via https://www.dropbox.com/scl/fi/w9nzwjt5qhsgdyt9y2rsx/State-of-iOS-Library-Tests.paper?dl=0&rlkey=1ydw41ek92t92bxue1v2wt2dj

iOS and tvOS

• Microsoft.Extensions.HostFactoryResolver.Tests.csproj - Passes now
• Microsoft.Extensions.Hosting.Unit.Tests.csproj - Passes Now
• System.IO.FileSystem.Watcher.Tests.csproj - Passes Now
• System.Net.NameResolution.Unit.Tests.csproj Test suite does not exist or was renamed
• System.Net.Quic.Functional.Tests.csproj - PNSE - Still Crashes
• System.Net.Requests.Tests.csproj - Still crashes
• System.Net.Security.Tests.csproj - Still Crashes
• System.Net.Sockets.Tests.csproj - Passes Now
• System.Net.WebClient.Tests.csproj - Passes Now
• System.Net.WebSockets.Client.Tests.csproj - Passes Now
• System.Runtime.Tests.csproj - Doesn't crash
• System.Threading.ThreadPool.Tests.csproj - Passes Now
• System.Threading.Timer.Tests.csproj - Passes now

iOS only

• System.IO.Ports.Tests.csproj - iOS no longer a target framework

tvOS only

• Microsoft.Bcl.AsyncInterfaces.Tests.csproj - Passes Now
• Microsoft.VisualBasic.Core.Tests.csproj - Passes Now
• System.CodeDom.Tests.csproj - PN
• System.Collections.Immutable.Tests.csproj - PN
• System.ComponentModel.TypeConverter.Tests.csproj - PN
• System.Composition.Hosting.Tests.csproj - PN
• System.Composition.TypedParts.Tests.csproj - Crashed
• System.Data.Common.Tests.csproj - PN
• System.Diagnostics.FileVersionInfo.Tests.csproj - PN
• System.Diagnostics.StackTrace.Tests.csproj - PN
• System.Diagnostics.Tracing.Tests.csproj - Crashed
• System.Drawing.Common.Tests.csproj - Skipped on Mobile now
• System.Dynamic.Runtime.Tests.csproj - Crashed
• System.Formats.Cbor.Tests.csproj - PN
• System.Globalization.Tests.csproj - PN
• System.IO.Compression.Tests.csproj -
• System.Linq.Expressions.Tests.csproj - Crashed
• System.Linq.Queryable.Tests.csproj - PN
• System.Linq.Tests.csproj - PN
• System.Memory.Tests.csproj - PN
• System.Net.Ping.Functional.Tests.csproj - PN
• System.Numerics.Vectors.Tests.csproj - PN
• System.Private.Uri.Functional.Tests.csproj - PN
• System.Runtime.CompilerServices.Unsafe.Tests.csproj - PN
• System.Runtime.Extensions.Tests.csproj - PN
• System.Runtime.InteropServices.Tests.csproj - PN
• System.Security.Cryptography.Algorithms.Tests.csproj - PN
• System.Security.Cryptography.Primitives.Tests.csproj - PN
• System.Security.Cryptography.Xml.Tests.csproj - PN
• System.ServiceModel.Syndication.Tests.csproj - PN
• System.Threading.Tasks.Tests.csproj
• System.Threading.Thread.Tests.csproj - PN
• System.ValueTuple.Tests.csproj - PN
• System.Xml.RW.CharCheckingReader.Tests.csproj - PN
• System.Xml.RW.FactoryReader.Tests.csproj - PN
• System.Xml.RW.SubtreeReader.Tests.csproj - PN
• System.Xml.RW.WrappedReader.Tests.csproj - PN
• System.Xml.RW.XmlConvert.Tests.csproj - PN
• System.Xml.RW.XmlWriterApi.Tests.csproj - PN
• System.Xml.XmlDocument.Tests.csproj - PN
• System.Xml.XmlSerializer.ReflectionOnly.Tests.csproj - PN
• System.Xml.XmlSerializer.Tests.csproj - PN

cc: @tqiu8

I couldn't figure out the best area label to add to this issue. If you have write-permissions please help me learn by adding exactly one area label.