made benchmarks-root use resolve()

Author: alvin-r

codeflash/cli_cmds/cli.py

@@ -135,7 +135,7 @@ def process_pyproject_config(args: Namespace) -> Namespace:
     if args.benchmark:
         assert args.benchmarks_root is not None, "--benchmarks-root must be specified when running with --benchmark"
         assert Path(args.benchmarks_root).is_dir(), f"--benchmarks-root {args.benchmarks_root} must be a valid directory"
-        assert Path(args.benchmarks_root).is_relative_to(Path(args.tests_root)), (
+        assert Path(args.benchmarks_root).resolve().is_relative_to(Path(args.tests_root).resolve()), (
             f"--benchmarks-root {args.benchmarks_root} must be a subdirectory of --tests-root {args.tests_root}"
         )
     if env_utils.get_pr_number() is not None: