Readme for Metric stress test (#2650)

test/Benchmarks/README.md

@@ -5,5 +5,8 @@ Use the following example to run Benchmarks from command line:
 
 Navigate to `./test/Benchmarks` directory and run the following command:
 
-`dotnet run --framework netcoreapp3.1 --configuration Release --filter
-*TraceBenchmarks*`
+<!-- markdownlint-disable MD013 -->
+```sh
+dotnet run --framework netcoreapp3.1 --configuration Release --filter *TraceBenchmarks*
+```
+<!-- markdownlint-enable MD013 -->

test/OpenTelemetry.Tests.Stress.Metrics/Program.cs

@@ -15,13 +15,10 @@
 // </copyright>
 
 using System;
-using System.Diagnostics;
 using System.Diagnostics.Metrics;
 using System.Runtime.CompilerServices;
 using System.Threading;
-using OpenTelemetry;
 using OpenTelemetry.Metrics;
-using OpenTelemetry.Tests;
 
 namespace OpenTelemetry.Tests.Stress;
 

test/OpenTelemetry.Tests.Stress.Metrics/README.md

@@ -0,0 +1,14 @@
+# OpenTelemetry Stress Tests for Metrics
+
+This is Stress Test specifically for Metrics SDK, and is
+based on the [OpenTelemetry.Tests.Stress](../OpenTelemetry.Tests.Stress/README.md).
+
+* [Running the stress test](#running-the-stress-test)
+
+## Running the stress test
+
+Open a console, run the following command from the current folder:
+
+```sh
+dotnet run --framework net6.0 --configuration Release
+```