Expose failed Verify asserts as CI artifacts

eng/pipelines/templates/BuildAndTest.yml

@@ -58,6 +58,48 @@ steps:
               "${{ parameters.buildScript }} -test -configuration ${{ parameters.buildConfig }} /bl:${{ parameters.repoLogPath }}/tests.binlog $(_OfficialBuildIdArgs)"
       displayName: Run tests
 
+    - pwsh: |
+        $SourcesDirectory = '$(Build.SourcesDirectory)';
+
+        $destinationPath = "${{ parameters.repoLogPath }}/FailedAssertions"
+        if (-not (Test-Path -Path $destinationPath)) {
+            New-Item -Path $destinationPath -ItemType Directory -Force | Out-Null
+        }
+
+        Get-ChildItem $SourcesDirectory -Filter "*.received.*" -Recurse | `
+            ForEach-Object {
+                # Exclude files that are already in the test results path
+                if ($_.FullName -like "*FailedAssertions*") {
+                    return
+                }
+
+                if ($_.PSIsContainer) {
+                    # Delete the folder if it exists
+                    $dest = Join-Path -Path $destinationPath -ChildPath $_.Name
+                    if (Test-Path -Path $dest) {
+                        Remove-Item -Path $dest -Recurse -Force
+                    }
+                    # Copy folder to logs
+                    Copy-Item -Path $_.FullName -Destination $destinationPath -Recurse -Force
+                }
+                else {
+                    # Calculates the relative path of the file with respect to `$SourcesDirectory`.
+                    $relativePath = [System.IO.Path]::GetRelativePath($SourcesDirectory, $_.FullName)
+                    # Constructs the full destination path for the file, preserving the relative directory structure.
+                    $destinationFile = Join-Path -Path $destinationPath -ChildPath $relativePath
+                    $destinationDirectory = [System.IO.Path]::GetDirectoryName($destinationFile)
+                    # Ensures the destination directory exists (creates it if necessary).
+                    if (-not (Test-Path -Path $destinationDirectory)) {
+                        New-Item -Path $destinationDirectory -ItemType Directory -Force | Out-Null
+                    }
+                    # Copies the file to the destination path.
+                    Copy-Item -Path $_.FullName -Destination $destinationFile -Force
+                }
+            }
+      displayName: Copy failed assertions results to logs
+      condition: always()
+      continueOnError: true
+
     - pwsh: |
         Get-ChildItem ${{ parameters.repoTestResultsPath }} -Include "*_hangdump.dmp","Sequence_*.xml" -Recurse | `
             ForEach-Object {