Re-enabling some migrated test files

Bug: chromium:1306474
Change-Id: Id01949dc413ca5af5132827001fbe380f8477368
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3557250
Auto-Submit: Almothana Athamneh <almuthanna@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/main@{#79691}

tools/v8_presubmit.py

@@ -737,8 +737,6 @@ def FindTests(workspace):
   exclude = [
       'tools/clang',
       'tools/unittests/v8_presubmit_test.py',
-      'tools/testrunner/local/pool_test.py',
-      'tools/testrunner/testproc/sequence_test.py',
       'tools/mb/mb_test.py',
       'tools/cppgc/gen_cmake_test.py',
       'tools/ignition/linux_perf_report_test.py',