fix failing asyncawait issue

Author: daveMueller

test/coverlet.core.tests/Coverage/CoverageTests.AsyncAwait.cs

@@ -2,6 +2,7 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
 using System.IO;
+using System.Reflection;
 using System.Threading;
 using System.Threading.Tasks;
 using Coverlet.Core.Samples.Tests;
@@ -99,34 +100,35 @@ public void AsyncAwait_Issue_669_1()
             }
         }
 
-        //[Fact]
-        //public void AsyncAwait_Issue_669_2()
-        //{
-        //    string path = Path.GetTempFileName();
-        //    try
-        //    {
-        //        FunctionExecutor.Run(async (string[] pathSerialize) =>
-        //        {
-        //            CoveragePrepareResult coveragePrepareResult = await TestInstrumentationHelper.Run<Issue_669_2>(instance =>
-        //            {
-        //                ((ValueTask<System.Net.Http.HttpResponseMessage>)instance.SendRequest()).ConfigureAwait(false).GetAwaiter().GetResult();
-        //                return Task.CompletedTask;
-        //            },
-        //            persistPrepareResultToFile: pathSerialize[0]);
-
-        //            return 0;
-        //        }, new string[] { path });
-
-        //        TestInstrumentationHelper.GetCoverageResult(path)
-        //        .Document("Instrumentation.AsyncAwait.cs")
-        //        .AssertLinesCovered(BuildConfiguration.Debug, (7, 1), (10, 1), (11, 1), (12, 1), (13, 1), (15, 1))
-        //        .ExpectedTotalNumberOfBranches(BuildConfiguration.Debug, 0);
-        //    }
-        //    finally
-        //    {
-        //        File.Delete(path);
-        //    }
-        //}
+        [Fact]
+        public void AsyncAwait_Issue_669_2()
+        {
+            string path = Path.GetTempFileName();
+            try
+            {
+                FunctionExecutor.Run(async (string[] pathSerialize) =>
+                {
+                    CoveragePrepareResult coveragePrepareResult = await TestInstrumentationHelper.Run<Issue_669_2>(instance =>
+                    {
+                        ((ValueTask<System.Net.Http.HttpResponseMessage>)instance.SendRequest()).ConfigureAwait(false).GetAwaiter().GetResult();
+                        return Task.CompletedTask;
+                    },
+                    persistPrepareResultToFile: pathSerialize[0],
+                    assemblyLocation: Assembly.GetExecutingAssembly().Location);
+
+                    return 0;
+                }, new string[] { path });
+
+                TestInstrumentationHelper.GetCoverageResult(path)
+                .Document("Instrumentation.AsyncAwait.cs")
+                .AssertLinesCovered(BuildConfiguration.Debug, (7, 1), (10, 1), (11, 1), (12, 1), (13, 1), (15, 1))
+                .ExpectedTotalNumberOfBranches(BuildConfiguration.Debug, 0);
+            }
+            finally
+            {
+                File.Delete(path);
+            }
+        }
 
         [Fact]
         public void AsyncAwait_Issue_1177()

test/coverlet.core.tests/Coverage/InstrumenterHelper.cs

@@ -76,7 +76,8 @@ public static async Task<CoveragePrepareResult> Run<T>(Func<dynamic, Task> callM
                                                                Func<string, string[]> doesNotReturnAttributes = null,
                                                                string persistPrepareResultToFile = null,
                                                                bool disableRestoreModules = false,
-                                                               bool skipAutoProps = false)
+                                                               bool skipAutoProps = false,
+                                                               string assemblyLocation = null)
         {
             if (persistPrepareResultToFile is null)
             {
@@ -92,8 +93,9 @@ public static async Task<CoveragePrepareResult> Run<T>(Func<dynamic, Task> callM
             File.Copy(location, newPath);
             File.Copy(Path.ChangeExtension(location, ".pdb"), Path.ChangeExtension(newPath, ".pdb"));
 
-            SetTestContainer(newPath, disableRestoreModules);
-
+            string sourceRootTranslatorModulePath = assemblyLocation ?? newPath;
+            SetTestContainer(sourceRootTranslatorModulePath, disableRestoreModules);
+            
             static string[] defaultFilters(string _) => Array.Empty<string>();
 
             var parameters = new CoverageParameters