[tools/perf] Resolve the import error when record_wpr tries to discover benchmarks

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 43f683cc8dbffc2ad41a438fb8c1b82e844d8c71..503d3890cde56e68af8840c293a25ae8ffe58b50 100644
--- a/tools/perf/scripts_smoke_unittest.py
+++ b/tools/perf/scripts_smoke_unittest.py
@@ -9,8 +9,6 @@ import sys
 import tempfile
 import unittest
 
-from telemetry import decorators
-
 
 class ScriptsSmokeTest(unittest.TestCase):
 
@@ -50,7 +48,6 @@ class ScriptsSmokeTest(unittest.TestCase):
     self.assertEquals(return_code, 0, stdout)
     self.assertIn('optional arguments:', stdout)
 
-  @decorators.Disabled('all')  # crbug.com/581103
   def testRunRecordWprList(self):
     return_code, stdout = self.RunPerfScript('record_wpr --list-benchmarks')
     # TODO(nednguyen): Remove this once we figure out why importing