Bug 1589102 - Part 17: Don't set chrome context in Marionette reftest unit tests r=marionette-reviewers,whimboo

Differential Revision: https://phabricator.services.mozilla.com/D88518

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

@@ -14,7 +14,6 @@ class TestReftest(MarionetteTestCase):
 
         self.original_window = self.marionette.current_window_handle
 
-        self.marionette.set_context(self.marionette.CONTEXT_CHROME)
         self.marionette.set_pref("dom.send_after_paint_to_content", True)
 
     def tearDown(self):
@@ -27,7 +26,6 @@ class TestReftest(MarionetteTestCase):
 
         self.marionette.switch_to_window(self.original_window)
 
-        self.marionette.set_context(self.marionette.CONTEXT_CONTENT)
         self.marionette.clear_pref("dom.send_after_paint_to_content")
 
         super(TestReftest, self).tearDown()