Fix SPECjvm result file permissions

Run SPECjvm under the Virtual Client user so its result files remain readable and removable by the executor.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 3fc00a9e-16be-4b9f-8110-7bed5845d9e1

Author: Erica Vellanoweth

src/VirtualClient/VirtualClient.Actions.FunctionalTests/SpecJvmProfileTests.cs

@@ -188,7 +188,7 @@ private IEnumerable<string> GetProfileExpectedCommands(PlatformID platform)
                 case PlatformID.Unix:
                     commands = new List<string>
                     {
-                        @"sudo java -XX:ParallelGCThreads=[0-9]+ -XX:\+UseParallelGC -XX:\+UseAES -XX:\+UseSHA -Xms[0-9]+m -Xmx[0-9]+m -jar SPECjvm2008.jar -ikv -ict compress crypto derby mpegaudio scimark serial sunflow"
+                        @"^java -XX:ParallelGCThreads=[0-9]+ -XX:\+UseParallelGC -XX:\+UseAES -XX:\+UseSHA -Xms[0-9]+m -Xmx[0-9]+m -jar SPECjvm2008.jar -ikv -ict compress crypto derby mpegaudio scimark serial sunflow$"
                     };
                     break;
             }

src/VirtualClient/VirtualClient.Actions.UnitTests/SPEC/SpecJvmExecutorTests.cs

@@ -95,7 +95,7 @@ public async Task SpecJvmExecutorRunsTheExpectedWorkloadCommandInLinux()
         {
             this.SetupDefaultBehaviors(PlatformID.Unix);
 
-            string expectedCommand = $@"sudo java -XX:ParallelGCThreads=[0-9]+ -XX:\+UseParallelGC -XX:\+UseAES -XX:\+UseSHA -Xms[0-9]+m -Xmx[0-9]+m -jar SPECjvm2008.jar -ikv -ict test1 test2";
+            string expectedCommand = $@"^java -XX:ParallelGCThreads=[0-9]+ -XX:\+UseParallelGC -XX:\+UseAES -XX:\+UseSHA -Xms[0-9]+m -Xmx[0-9]+m -jar SPECjvm2008.jar -ikv -ict test1 test2$";
 
             bool commandExecuted = false;
             this.mockFixture.ProcessManager.OnCreateProcess = (exe, arguments, workingDir) =>

src/VirtualClient/VirtualClient.Actions/SPECjvm/SpecJvmExecutor.cs

@@ -129,7 +129,9 @@ await this.Logger.LogMessageAsync($"{nameof(SpecJvmExecutor)}.ExecuteProcess", t
                 {
                     using (BackgroundOperations profiling = BackgroundOperations.BeginProfiling(this, cancellationToken))
                     {
-                        using (IProcessProxy process = this.systemManagement.ProcessManager.CreateElevatedProcess(this.Platform, pathToExe, commandLineArguments, workingDirectory))
+                        // SPECjvm writes result files into the package directory. Run as the Virtual Client user
+                        // so the executor can read and delete those files after the process completes.
+                        using (IProcessProxy process = this.systemManagement.ProcessManager.CreateProcess(pathToExe, commandLineArguments, workingDirectory))
                         {
                             this.CleanupTasks.Add(() => process.SafeKill(this.Logger));
                             this.LogProcessTrace(process);