old_contents: # Licensed to the Software Freedom Conservancy (SFC) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  The SFC licenses this file
  # to you under the Apache License, Version 2.0 (the
  # "License"); you may not use this file except in compliance
  # with the License.  You may obtain a copy of the License at
  #
  #   http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing,
  # software distributed under the License is distributed on an
  # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  # KIND, either express or implied.  See the License for the
  # specific language governing permissions and limitations
  # under the License.
  
  import base64
  import imghdr
  
  
  class TestScreenshot(object):
  
      def test_get_screenshot_as_base64(self, driver, pages):
          pages.load("simpleTest.html")
          result = base64.b64decode(driver.get_screenshot_as_base64())
          assert imghdr.what('', result) == 'png'
  
      def test_get_screenshot_as_png(self, driver, pages):
          pages.load("simpleTest.html")
          result = driver.get_screenshot_as_png()
          assert imghdr.what('', result) == 'png'
  
      def test_get_element_screenshot(self, driver, pages):
          pages.load("simpleTest.html")
          element = driver.find_element_by_id("multiline")
          import pdb; pdb.set_trace()
          result = base64.b64decode(element.screenshot_as_base64)
          assert imghdr.what('', result) == 'png'
  
new_contents: # Licensed to the Software Freedom Conservancy (SFC) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  The SFC licenses this file
  # to you under the Apache License, Version 2.0 (the
  # "License"); you may not use this file except in compliance
  # with the License.  You may obtain a copy of the License at
  #
  #   http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing,
  # software distributed under the License is distributed on an
  # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  # KIND, either express or implied.  See the License for the
  # specific language governing permissions and limitations
  # under the License.
  
  import base64
  import imghdr
  
  import pytest
  
  
  class TestScreenshot(object):
  
      def test_get_screenshot_as_base64(self, driver, pages):
          pages.load("simpleTest.html")
          result = base64.b64decode(driver.get_screenshot_as_base64())
          assert imghdr.what('', result) == 'png'
  
      def test_get_screenshot_as_png(self, driver, pages):
          pages.load("simpleTest.html")
          result = driver.get_screenshot_as_png()
          assert imghdr.what('', result) == 'png'
  
      @pytest.mark.xfail_chrome
      @pytest.mark.xfail_firefox
      @pytest.mark.xfail_marionette
      @pytest.mark.xfail_remote
      def test_get_element_screenshot(self, driver, pages):
          pages.load("simpleTest.html")
          element = driver.find_element_by_id("multiline")
          result = base64.b64decode(element.screenshot_as_base64)
          assert imghdr.what('', result) == 'png'
  
subject: Remove pdb statement and add xfail to new test