# Switch to a temporary directory.
Push-Location -ea Stop ($tmpDir = (New-Item -Type Directory -Force (Join-Path Temp:/ $PID)).FullName)

try {

  # Create two directories with one file each in them.
  $null = New-Item -Type Directory -force foo1, foo2
  $null = New-Item -force foo1\t.txt, foo2\t.txt

  # Remove the first one with WITHOUT a trailing "\"
  { Remove-Item .\foo1 -Recurse -ErrorAction Stop } | Should -Not -Throw

  # Remove the second one with WITH a trailing "\"
  # This is also what you'd get with tab-completion.
  { Remove-Item .\foo2\ -Recurse -ErrorAction Stop } | Should -Not -Throw

} finally {
  # Clean up.
  Pop-Location; Remove-Item $tmpDir -Recurse
}