fix(tests): lower ValidateRange minimums and use .ps1 fake vmrun for Pester

tests/New-BuildVM.Tests.ps1

@@ -9,18 +9,22 @@ BeforeAll {
     $script:CloneBaseDir = Join-Path $env:TEMP "CI-Tests-CloneBase-$PID"
     New-Item -ItemType Directory -Path $script:CloneBaseDir -Force | Out-Null
 
-    # Fake vmrun.cmd — exits with %FAKE_VMRUN_EXIT% (default 0)
+    # Fake vmrun.ps1 — exits with $env:FAKE_VMRUN_EXIT (default 0)
     # On success it also creates the destination VMX so the post-clone Test-Path passes.
-    $script:FakeVmrun = Join-Path $env:TEMP "fake-vmrun-$PID.cmd"
+    # Using .ps1 instead of .cmd avoids Windows cmd redirect limitations inside if blocks.
+    $script:FakeVmrun = Join-Path $env:TEMP "fake-vmrun-$PID.ps1"
     Set-Content $script:FakeVmrun -Value @'
-@echo off
-if "%FAKE_VMRUN_EXIT%"=="" ( set _exit=0 ) else ( set _exit=%FAKE_VMRUN_EXIT% )
-if "%_exit%"=="0" (
-    REM Create the destination VMX file so the caller's Test-Path check passes.
-    REM The destination path is the 4th positional arg (after -T ws clone <template>).
-    echo. > %5
-)
-exit /b %_exit%
+# Args: -T ws clone <template> <dst_vmx> linked -snapshot <snapshot>
+$exitCode = if ($env:FAKE_VMRUN_EXIT) { [int]$env:FAKE_VMRUN_EXIT } else { 0 }
+if ($exitCode -eq 0) {
+    # Create the destination VMX (5th positional arg) so Test-Path in caller passes.
+    # Real vmrun creates the clone dir+file; we must do the same here.
+    $dstVmx = $args[4]   # -T ws clone <tmpl> <dst> ...
+    $dstDir = Split-Path $dstVmx -Parent
+    if (-not (Test-Path $dstDir)) { New-Item -ItemType Directory -Path $dstDir -Force | Out-Null }
+    Set-Content $dstVmx ''
+}
+exit $exitCode
 '@
 
     # Fake template VMX — just needs to exist