On GitHub CI on Windows, the cloned repository is on a different volume

than the Java temporary directory.

- This means  we cannot use the source file directly as the target of a
link.
- Copy the text fixture to the destination directory to make sure it is
on the same volume.

Author: garydgregory

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

@@ -74,7 +74,9 @@ class FilesUncheckTest {
 
     private static final Path FILE_PATH_A = Paths.get("src/test/resources/org/apache/commons/io/dirs-1-file-size-1/file-size-1.bin");
 
-    private static final Path FILE_PATH_EMPTY = Paths.get("src/test/resources/org/apache/commons/io/test-file-empty.bin");
+    private static final Path FILE_PATH_EMPTY_SRC = Paths.get("src/test/resources/org/apache/commons/io/test-file-empty.bin");
+
+    private static Path FILE_PATH_EMPTY;
 
     private static Path NEW_DIR_PATH;
 
@@ -94,6 +96,10 @@ public static void beforeAll() throws IOException {
         NEW_DIR_PATH = DEST_PATH.resolve("newdir");
         NEW_FILE_PATH = DEST_PATH.resolve("file.txt");
         NEW_FILE_PATH_LINK = DEST_PATH.resolve("to_another_file.txt");
+        // On GitHub CI on Windows, the cloned repository is on a different volume than the Java temporary directory.
+        // This means  we cannot use the source file directly as the target of a link.
+        // Copy the text fixture to the destination directory to make sure it is on the same volume.
+        FILE_PATH_EMPTY = Files.copy(FILE_PATH_EMPTY_SRC, DEST_PATH.resolve(FILE_PATH_EMPTY_SRC.getFileName()));
     }
 
     @BeforeEach