Bug 1330560 - [marionette] Temporarily skip TestScreenCaptureContent.test_capture_flags on Windows. r=webdriver-reviewers,jgraham

Temporarily skip on Windows to get the new screenshot API landed.
Given that this change makes this failure permanent it should be
easier for investigation after its landing.

Differential Revision: https://phabricator.services.mozilla.com/D42322

--HG--
extra : moz-landing-system : lando

testing/marionette/harness/marionette_harness/tests/unit/test_screenshot.py

@@ -8,7 +8,9 @@ import base64
 import hashlib
 import imghdr
 import struct
+import sys
 import tempfile
+import unittest
 import urllib
 
 from marionette_driver import By
@@ -303,6 +305,7 @@ class TestScreenCaptureContent(WindowManagerMixin, ScreenCaptureTestCase):
                          self.get_image_dimensions(screenshot))
         self.assertGreater(self.page_y_offset, 0)
 
+    @unittest.skipIf(sys.platform.startswith("win"), "Bug 1330560")
     def test_capture_flags(self):
         self.marionette.navigate(input)