message: Re-enable the debuginfo stack trace display tests
diff: @@ -10,9 +10,7 @@ glob_lit_tests(
  driver = "@llvm-project//mlir:run_lit.sh",
  test_file_exts = [
  "pbtxt",
  - # TODO(fengliuai): reenable these tests after the fused loc is
  - # supported in the diagnostic handler.
  - # "py",
  + "py",
  ],
  )
  