[Password manager tests] Makes logs which we pass to sheet cleaner.

components/test/data/password_manager/automated_tests/environment.py

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """The testing Environment class."""
 
 import logging
 import shutil
 import sys
 import time
@@ skipping 355 matching lines @@
       error = ""
       try:
         websitetest.was_run = True
         websitetest.WrongLoginTest()
         websitetest.SuccessfulLoginTest()
         self.ClearCache(False)
         websitetest.SuccessfulLoginWithAutofilledPasswordTest()
         self.ClearCache(True)
         websitetest.SuccessfulLoginTest()
         self.ClearCache(True)
-      except Exception:
+      except Exception as e:
         successful = False
-        error = traceback.format_exc()
       self.tests_results.append(TestResult(websitetest.name, "normal",
-          successful, escape(error)))
+          successful, e.message))
 
 
   def PromptTestList(self, websitetests):
     """Runs the prompt tests on the websites in |websitetests|.
 
     Args:
       websitetests: A list of WebsiteTests that are going to be tested.
 
     Raises:
       Exception: An exception is raised if the tests fail.
     """
     self.ClearCache(True)
 
     for websitetest in websitetests:
       successful = True
       error = ""
       try:
         websitetest.was_run = True
         websitetest.PromptTest()
-      except Exception:
+      except Exception as e:
         successful = False
-        error = traceback.format_exc()
       self.tests_results.append(TestResult(websitetest.name, "prompt",
-          successful, escape(error)))
+          successful, e.message))
 
   def Quit(self):
     """Closes the tests."""
     # Close the webdriver.
     self.driver.quit()