[IAST] skip dotnet 2.1 tests that can't work

[robertpi]

Summary of changes

Previous fix didn't work.

[datadog-ddstaging]

Datadog Report

Branch report: robert/asm/skip-dotnet-20-tests-that-cant-work
Commit report: 9c4ba35
Test service: dd-trace-dotnet

❌ 3 Failed (0 Known Flaky), 461155 Passed, 2850 Skipped, 20h 21m 19.52s Total Time
❄️ 2 New Flaky

❌ Failed Tests (3)

• StringConcatAspectBenchmark - Benchmarks.Trace.Iast.StringAspectsBenchmark - Details

• StringConcatAspectBenchmark - Benchmarks.Trace.Iast.StringAspectsBenchmark - Details

• StringConcatAspectBenchmark - Benchmarks.Trace.Iast.StringAspectsBenchmark - Details

New Flaky Tests (2)

• AdditionalArguments - Datadog.Trace.Tools.dd_dotnet.ArtifactTests.RunCommandTests - Last Failure

  Expand for error

   
   
   With StandardOutput:
   Waiting - PID: 7884 - Main thread: 10024 - Profiler attached: True Args: traces 5 --dd-env test Sending 5 spans 
   With ErrorOutput:
    Unhandled Exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.DllNotFoundException: Unable to load DLL 'datadog_profiling_ffi': The specified module could not be found. (Exception from HRESULT: 0x8007007E)    at Datadog.Trace.LibDatadog.TraceExporterNative.ddog_trace_exporter_config_new(IntPtr& outHandle)    at Datadog.Trace.LibDatadog.TraceExporterConfiguration..ctor()    at Datadog.Trace.TracerManagerFactory.GetApi(TracerSettings settings, IDogStatsd statsd, Action\`1 updateSampleRates, IApiRequestFactory apiRequestFactory, Boolean partialFlushEnabled)    at Datadog.Trace.TracerManagerFactory.GetAgentWriter(TracerSettings settings, IDogStatsd statsd, Action\`1 updateSampleRates, IDiscoveryService discoveryService)    at Datadog.Trace.TracerManagerFactory.CreateTracerManager(TracerSettings settings, IAgentWriter agentWriter, ITraceSampler sampler, IScopeManager scopeManager, IDogStatsd statsd, RuntimeMetricsWriter runtimeMetrics, DirectLogSubmissionManager logSubmissionManager, ITelemetryController telemetry, IDiscoveryService discoveryService, DataStreamsManager dataStreamsManager, IRemoteConfigurationManager remoteConfigurationManager, IDynamicConfigurationManager dynamicConfigurationManager, ITracerFlareManager tracerFlareManager)    at Datadog.Trace.TracerManagerFactory.CreateTracerManager(TracerSettings settings, TracerManager previous)    at Datadog.Trace.TracerManager.CreateInitializedTracer(TracerSettings settings, TrayInitializer.EnsureInitializedCore[T](T& target, Boolean& initialized, Object& syncLock, Func\`1 valueFactory)    at Datadog.Trace.TracerManager.get_Instance()    at Datadog.Trace.Tracer..ctor(TracerManager tracerManager)    at Datadog.Trace.Tracer.get_Instance()    --- End of inner exception stack trace ---    at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)    at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)    at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)    at Samples.SampleHelpers.CreateScope(String operationName)    at Samples.Console_.Program.<AsyncMain>d__2.MoveNext() --- End of stack trace from previous location where exception was thrown ---    at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)    at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)    at Samples.Console_.Program.Main(String[] args) ".
  

• AdditionalArguments - Datadog.Trace.Tools.dd_dotnet.ArtifactTests.RunCommandTests - Last Failure

  Expand for error

   
   
   With StandardOutput:
   Waiting - PID: 6648 - Main thread: 8168 - Profiler attached: True Args: traces 5 --dd-env test Sending 5 spans 
   With ErrorOutput:
    Unhandled Exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.DllNotFoundException: Unable to load DLL 'datadog_profiling_ffi': The specified module could not be found. (Exception from HRESULT: 0x8007007E)    at Datadog.Trace.LibDatadog.TraceExporterNative.ddog_trace_exporter_config_new(IntPtr& outHandle)    at Datadog.Trace.LibDatadog.TraceExporterConfiguration..ctor()    at Datadog.Trace.TracerManagerFactory.GetApi(TracerSettings settings, IDogStatsd statsd, Action\`1 updateSampleRates, IApiRequestFactory apiRequestFactory, Boolean partialFlushEnabled)    at Datadog.Trace.TracerManagerFactory.GetAgentWriter(TracerSettings settings, IDogStatsd statsd, Action\`1 updateSampleRates, IDiscoveryService discoveryService)    at Datadog.Trace.TracerManagerFactory.CreateTracerManager(TracerSettings settings, IAgentWriter agentWriter, ITraceSampler sampler, IScopeManager scopeManager, IDogStatsd statsd, RuntimeMetricsWriter runtimeMetrics, DirectLogSubmissionManager logSubmissionManager, ITelemetryController telemetry, IDiscoveryService discoveryService, DataStreamsManager dataStreamsManager, IRemoteConfigurationManager remoteConfigurationManager, IDynamicConfigurationManager dynamicConfigurationManager, ITracerFlareManager tracerFlareManager)    at Datadog.Trace.TracerManagerFactory.CreateTracerManager(TracerSettings settings, TracerManager previous)    at Datadog.Trace.TracerManager.CreateInitializedTracer(TracerSettings settings, TracerManagerFactory factory)    at System.Threading.LazyInitializer.EnsureInitializedCore[T](T& target, Boolean& initialized, Object& syncLock, F   --- End of inner exception stack trace ---    at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)    at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)    at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)    at Samples.SampleHelpers.CreateScope(String operationName)    at Samples.Console_.Program.<AsyncMain>d__2.MoveNext() --- End of stack trace from previous location where exception was thrown ---    at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()    at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)    at Samples.Console_.Program.Main(String[] args) ".
  

[andrewlock]

Execution-Time Benchmarks Report ⏱️

Execution-time results for samples comparing the following branches/commits:

• This PR (6467)
• master

Execution-time benchmarks measure the whole time it takes to execute a program. And are intended to measure the one-off costs. Cases where the execution time results for the PR are worse than latest master results are shown in red. The following thresholds were used for comparing the execution times:

• Welch test with statistical test for significance of 5%
• Only results indicating a difference greater than 5% and 5 ms are considered.

Note that these results are based on a single point-in-time result for each branch. For full results, see the dashboard.

Graphs show the p99 interval based on the mean and StdDev of the test run, as well as the mean value of the run (shown as a diamond below the graph).

gantt
    title Execution time (ms) FakeDbCommand (.NET Framework 4.6.2) 
    dateFormat  X
    axisFormat %s
    todayMarker off
    section Baseline
    This PR (6467) - mean (68ms)  : 65, 71
     .   : milestone, 68,
    master - mean (69ms)  : 65, 73
     .   : milestone, 69,

    section CallTarget+Inlining+NGEN
    This PR (6467) - mean (977ms)  : 954, 1000
     .   : milestone, 977,
    master - mean (981ms)  : 957, 1005
     .   : milestone, 981,

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gantt
    title Execution time (ms) FakeDbCommand (.NET Core 3.1) 
    dateFormat  X
    axisFormat %s
    todayMarker off
    section Baseline
    This PR (6467) - mean (107ms)  : 104, 110
     .   : milestone, 107,
    master - mean (108ms)  : 105, 110
     .   : milestone, 108,

    section CallTarget+Inlining+NGEN
    This PR (6467) - mean (680ms)  : 666, 693
     .   : milestone, 680,
    master - mean (679ms)  : 666, 693
     .   : milestone, 679,

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gantt
    title Execution time (ms) FakeDbCommand (.NET 6) 
    dateFormat  X
    axisFormat %s
    todayMarker off
    section Baseline
    This PR (6467) - mean (91ms)  : 89, 93
     .   : milestone, 91,
    master - mean (91ms)  : 89, 93
     .   : milestone, 91,

    section CallTarget+Inlining+NGEN
    This PR (6467) - mean (635ms)  : 620, 650
     .   : milestone, 635,
    master - mean (637ms)  : 622, 651
     .   : milestone, 637,

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gantt
    title Execution time (ms) HttpMessageHandler (.NET Framework 4.6.2) 
    dateFormat  X
    axisFormat %s
    todayMarker off
    section Baseline
    This PR (6467) - mean (194ms)  : 189, 198
     .   : milestone, 194,
    master - mean (194ms)  : 189, 199
     .   : milestone, 194,

    section CallTarget+Inlining+NGEN
    This PR (6467) - mean (1,102ms)  : 1067, 1137
     .   : milestone, 1102,
    master - mean (1,100ms)  : 1064, 1136
     .   : milestone, 1100,

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gantt
    title Execution time (ms) HttpMessageHandler (.NET Core 3.1) 
    dateFormat  X
    axisFormat %s
    todayMarker off
    section Baseline
    This PR (6467) - mean (279ms)  : 274, 283
     .   : milestone, 279,
    master - mean (278ms)  : 274, 282
     .   : milestone, 278,

    section CallTarget+Inlining+NGEN
    This PR (6467) - mean (872ms)  : 842, 903
     .   : milestone, 872,
    master - mean (870ms)  : 836, 905
     .   : milestone, 870,

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gantt
    title Execution time (ms) HttpMessageHandler (.NET 6) 
    dateFormat  X
    axisFormat %s
    todayMarker off
    section Baseline
    This PR (6467) - mean (267ms)  : 262, 271
     .   : milestone, 267,
    master - mean (266ms)  : 262, 269
     .   : milestone, 266,

    section CallTarget+Inlining+NGEN
    This PR (6467) - mean (852ms)  : 819, 886
     .   : milestone, 852,
    master - mean (853ms)  : 825, 881
     .   : milestone, 853,

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