[tools/perf] Add smoke test cover for record_wpr list command

tools/perf/scripts_smoke_unittest.py

Index: tools/perf/scripts_smoke_unittest.py
diff --git a/tools/perf/scripts_smoke_unittest.py b/tools/perf/scripts_smoke_unittest.py
index c8ea208794a02e8aa8c9a4dd7661eae0640d54a9..a9e3e3240e98b6b75cc2e2eb50155e29de0f8a2f 100644
--- a/tools/perf/scripts_smoke_unittest.py
+++ b/tools/perf/scripts_smoke_unittest.py
@@ -48,6 +48,11 @@ class ScriptsSmokeTest(unittest.TestCase):
     self.assertIn('optional arguments:', stdout)
     self.assertEquals(return_code, 0)
 
+  def testRunRecordWprList(self):
+    return_code, stdout = self.RunPerfScript('record_wpr --list-benchmarks')
+    self.assertIn('kraken', stdout)
+    self.assertEquals(return_code, 0)
+
   def testRunBenchmarkListJSONListsOutBenchmarks(self):
     tmp_file = tempfile.NamedTemporaryFile(delete=False)
     tmp_file_name = tmp_file.name