Let JUnit manage the temporary directory tree.

- managedTempDirPath is @tempdir
- No need for createTempDirectory()
- For @tempdir, symbolic and other types of links, such as junctions on
Windows, are not followed.

Author: garydgregory

src/test/java/org/apache/commons/io/file/AbstractTempDirTest.java

@@ -85,14 +85,15 @@ protected static Path createTempSymbolicLinkedRelativeDir(final Path rootDir) th
 
     @AfterEach
     void afterEachDeleteTempDir() throws IOException {
+        // For @TempDir, symbolic and other types of links, such as junctions on Windows, are not followed.
         if (Files.exists(tempDirPath)) {
             PathUtils.deleteDirectory(tempDirPath);
         }
     }
 
     @BeforeEach
     public void beforeEachCreateTempDirs() throws IOException {
-        tempDirPath = Files.createTempDirectory(managedTempDirPath, getClass().getSimpleName());
+        tempDirPath = Files.createDirectory(managedTempDirPath.resolve(getClass().getSimpleName()));
         tempDirFile = tempDirPath.toFile();
     }