Add missing method

h2/src/test/org/h2/test/utils/FilePathUnstable.java

@@ -204,6 +204,11 @@ class FileUnstable extends FileBase {
         return channel.read(dst);
     }
 
+    @Override
+    public int read(ByteBuffer dst, long pos) throws IOException {
+        return channel.read(dst, pos);
+    }
+
     @Override
     public FileChannel position(long pos) throws IOException {
         channel.position(pos);