Use IO.withTemporaryDirectory instead of File.createTempFile

testing/src/test/scala/sbt/JUnitXmlTestsListenerSpec.scala

@@ -19,10 +19,7 @@ import verify.BasicTestSuite
 object JUnitXmlTestsListenerSpec extends BasicTestSuite:
 
   test("JUnitXmlTestsListener should log debug message when writing test report"):
-    val tempDir = File.createTempFile("junit-test", "")
-    tempDir.delete()
-    tempDir.mkdirs()
-    try
+    IO.withTemporaryDirectory: tempDir =>
       val loggedMessages = new AtomicReference[List[String]](Nil)
       val mockLogger = new AbstractLogger:
         def getLevel: Level.Value = Level.Debug
@@ -66,17 +63,9 @@ object JUnitXmlTestsListenerSpec extends BasicTestSuite:
         messages.exists(_.contains("TEST-TestSuite.xml")),
         s"Expected log message containing 'TEST-TestSuite.xml', but got: $messages"
       )
-    finally
-      // Cleanup
-      if tempDir.exists() then
-        tempDir.listFiles().foreach(_.delete())
-        tempDir.delete()
 
   test("JUnitXmlTestsListener should handle null logger gracefully"):
-    val tempDir = File.createTempFile("junit-test", "")
-    tempDir.delete()
-    tempDir.mkdirs()
-    try
+    IO.withTemporaryDirectory: tempDir =>
       val listener = new JUnitXmlTestsListener(tempDir, false, null)
       listener.doInit()
       listener.startGroup("TestSuite")
@@ -97,9 +86,5 @@ object JUnitXmlTestsListenerSpec extends BasicTestSuite:
       // Verify XML file was still created
       val xmlFile = new File(tempDir, "TEST-TestSuite.xml")
       assert(xmlFile.exists(), "XML file should be created even when logger is null")
-    finally
-      if tempDir.exists() then
-        tempDir.listFiles().foreach(_.delete())
-        tempDir.delete()
 
 end JUnitXmlTestsListenerSpec