Revert of [Telemetry] Enable screenshot taking on Mac

tools/telemetry/telemetry/core/platform_unittest.py

Index: tools/telemetry/telemetry/core/platform_unittest.py
diff --git a/tools/telemetry/telemetry/core/platform_unittest.py b/tools/telemetry/telemetry/core/platform_unittest.py
deleted file mode 100644
index 8a2983ed50684d9a745814b285750de9688f7aef..0000000000000000000000000000000000000000
--- a/tools/telemetry/telemetry/core/platform_unittest.py
+++ /dev/null
@@ -1,37 +0,0 @@
-# Copyright 2015 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.
-
-import logging
-import os
-import tempfile
-
-from telemetry import decorators
-from telemetry.util import image_util
-from telemetry.testing import tab_test_case
-
-
-class PlatformScreenshotTest(tab_test_case.TabTestCase):
-  def testScreenshotSupported(self):
-    if self._platform.GetOSName() in ('mac', 'android'):
-      self.assertTrue(self._platform.CanTakeScreenshot())
-
-  # Run this test in serial to avoid multiple browsers pop up on the screen.
-  @decorators.Isolated
-  def testScreenshot(self):
-    if not self._platform.CanTakeScreenshot():
-      logging.warning('Platform does not support screenshots, skipping test.')
-      return
-    tf = tempfile.NamedTemporaryFile(delete=False, suffix='.png')
-    tf.close()
-    try:
-      self.Navigate('screenshot_test.html')
-      self._platform.TakeScreenshot(tf.name)
-      # Assert that screenshot image contains the color of the triangle defined
-      # in screenshot_test.html.
-      img = image_util.FromPngFile(tf.name)
-      screenshot_pixels = image_util.Pixels(img)
-      special_colored_pixel = bytearray([217, 115, 43])
-      self.assertTrue(special_colored_pixel in screenshot_pixels)
-    finally:
-      os.remove(tf.name)