minor: convert error handling from CmdError to TestError

client/site_tests/factory_LightSensor/factory_LightSensor.py

 # -*- coding: utf-8 -*-
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 
 # DESCRIPTION : factory test of ambient light sensor.  Test that ALS reacts to
 # both darkening by covering w/ finger as well as brightening.
 # Roughly speaking:
 # indoor ambient lighting: 20-100
@@ skipping 43 matching lines @@
             self.cfg()
 
         self.ambient = self.read('mean',delay=0,samples=10)
         factory.log('ambient light sensor = %d' % self.ambient)
 
     def cfg(self):
         cmd = self.PARAMS['init']
         utils.system(cmd)
         time.sleep(1)
         if not os.path.isfile(self.PARAMS['rd']):
-            raise error.CmdError(cmd + 'did not create' + self.PARAMS['rd'])
+            raise error.TestError(cmd + 'did not create ' + self.PARAMS['rd'])
         val = self.read('first',samples=1)
         if val <= self.PARAMS['min'] or val >= self.PARAMS['max']:
-            raise error.CmdError("Failed initial read\n")
+            raise error.TestError("Failed initial read\n")
 
 
     def read(self, type, delay=None, samples=1):
         '''
         Read the light sensor and return value based on type
         @parameter type - string describing type of value to return.  Valid
         strings are 'mean' | 'min' | 'max' | 'raw'
         @parameter delay - delay between samples in seconds.  0 means as fast as
         possible
         @parameter samples - total samples to read.  O means infinite
@@ skipping 129 matching lines @@
         ful.run_test_widget(self.job, vbox,
             window_registration_callback=self.register_callbacks)
 
         failed_set = set(name for name, status in self._status_map.items()
                          if status is not ful.PASSED)
         if failed_set:
             raise error.TestFail('some subtests failed (%s)' %
                                  ', '.join(failed_set))
 
         factory.log('%s run_once finished' % self.__class__)