Disabled InProcessEmit tests.

Author: timcassell

tests/BenchmarkDotNet.IntegrationTests.ManualRunning/ExpectedBenchmarkResultsTests.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Linq;
 using BenchmarkDotNet.Analysers;
 using BenchmarkDotNet.Attributes;
@@ -13,6 +12,7 @@
 using BenchmarkDotNet.Portability;
 using BenchmarkDotNet.Reports;
 using BenchmarkDotNet.Tests.XUnit;
+using BenchmarkDotNet.Toolchains;
 using BenchmarkDotNet.Toolchains.InProcess.Emit;
 using Perfolizer.Horology;
 using Perfolizer.Mathematics.Thresholds;
@@ -123,8 +123,12 @@ private void AssertZeroResults(Type benchmarkType, IConfig config)
                 bool isZero = ZeroMeasurementHelper.CheckZeroMeasurementTwoSamples(workloadMeasurements, overheadMeasurements, threshold);
                 Assert.True(isZero, $"Actual time was not 0.");
 
-                isZero = ZeroMeasurementHelper.CheckZeroMeasurementTwoSamples(overheadMeasurements, workloadMeasurements, threshold);
-                Assert.True(isZero, "Overhead took more time than workload.");
+                // IL Emit has incorrect overhead measurement in net7. https://github.com/dotnet/runtime/issues/89685
+                if (!RuntimeInformation.IsNetCore || report.BenchmarkCase.GetToolchain() is not InProcessEmitToolchain)
+                {
+                    isZero = ZeroMeasurementHelper.CheckZeroMeasurementTwoSamples(overheadMeasurements, workloadMeasurements, threshold);
+                    Assert.True(isZero, "Overhead took more time than workload.");
+                }
 
                 Assert.True((report.GcStats.GetBytesAllocatedPerOperation(report.BenchmarkCase) ?? 0L) == 0L, "Memory allocations measured above 0.");
             }
@@ -163,7 +167,7 @@ public static IEnumerable<object[]> NonEmptyFrameworkData()
             }
         }
 
-        [Theory]
+        [Theory(Skip = "IL Emit currently has incorrect overhead measurement, but it only matters for sub-nanosecond benchmarks like this. https://github.com/dotnet/runtime/issues/89685")]
         [MemberData(nameof(NonEmptyInProcessData))]
         public void NonEmptyBenchmarksReportsNonZeroTimeAndZeroAllocated_InProcess(Type benchmarkType)
         {
@@ -259,11 +263,7 @@ public class ActualWork
     public int _field;
 
     [Benchmark]
-    public void IncrementField()
-    {
-        _field++;
-        _field++;
-    }
+    public void IncrementField() => _field++;
 }
 
 public class EmptyVoid { [Benchmark] public void Void() { } }