Revert "Comment some tests"

This reverts commit 35a74ee.

test/test_join_leave.py

@@ -1065,8 +1065,7 @@ def test_tiled_layout_test(self):
 
     self.chrome.close_all()
 
-  #FIXME uncomment test
-  def _test_pinned_layout_test(self):
+  def test_pinned_layout_test(self):
     self.chrome.makeFullScreen()
     room = "room"+str(random.randint(100, 999))
     wait = self.chrome.get_wait(30, 3)
@@ -1320,8 +1319,8 @@ def test_pin_on_participant_list(self):
 
     self.chrome.close_all()
 
-  #FIXME uncomment test
-  def _test_mute_on_video_card(self):
+
+  def test_mute_on_video_card(self):
     room = "room"+str(random.randint(100, 999))
     handle_1 = self.join_room_in_new_tab("participantA", room)
     handle_2 = self.join_room_in_new_tab("participantB", room)