Set working directory to current directory in Start-Job (#10920)

src/System.Management.Automation/engine/remoting/commands/StartJob.cs

@@ -608,6 +608,17 @@ namespace Microsoft.PowerShell.Commands
                     ThrowTerminatingError(errorRecord);
             }
 
+            if (WorkingDirectory == null)
+            {
+                try
+                {
+                    WorkingDirectory = SessionState.Internal.CurrentLocation.Path;
+                }
+                catch (PSInvalidOperationException)
+                {
+                }
+            }
+
             CommandDiscovery.AutoloadModulesWithJobSourceAdapters(this.Context, this.CommandOrigin);
 
             if (ParameterSetName == DefinitionNameParameterSet)

test/powershell/engine/Job/Jobs.Tests.ps1

@@ -1,5 +1,6 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
+
 Describe 'Basic Job Tests' -Tags 'CI' {
     BeforeAll {
         # Make sure we do not have any jobs running
@@ -89,6 +90,13 @@ Describe 'Basic Job Tests' -Tags 'CI' {
             {Start-Job -ScriptBlock { 1 + 1 } -WorkingDirectory $path} | Should -Throw -ErrorId $expectedErrorId
         }
 
+        It 'Verifies that the current working directory is preserved' {
+            $job = Start-Job -ScriptBlock { $pwd }
+            $location = $job | Wait-Job | Receive-Job
+            $job | Remove-Job
+            $location.Path | Should -BeExactly $pwd.Path
+        }
+
         It "Create job with native command" {
             try {
                 $nativeJob = Start-job { pwsh -c 1+1 }