From: Ole Streicher <olebole@debian.org>
Date: Sun, 12 Apr 2020 14:35:01 +0200
Subject: Skip tests that work only with Agg

---
 yt/tests/test_testing.py                  | 4 +++-
 yt/visualization/tests/test_color_maps.py | 3 +++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/yt/tests/test_testing.py b/yt/tests/test_testing.py
index a45f794..8df34a2 100644
--- a/yt/tests/test_testing.py
+++ b/yt/tests/test_testing.py
@@ -1,4 +1,5 @@
 from unittest import SkipTest
+import pytest
 
 import matplotlib
 
@@ -8,6 +9,7 @@ active_backend = matplotlib.get_backend()
 inactive_backend = ({"gtkagg", "macosx", "wx", "tkagg"} - {active_backend}).pop()
 
 
+@pytest.mark.skip(reason="https://github.com/yt-project/yt/issues/2533")
 def test_requires_inactive_backend():
     @requires_backend(inactive_backend)
     def foo():
@@ -22,7 +24,7 @@ def test_requires_inactive_backend():
             "@requires_backend appears to be broken (skip was expected)"
         )
 
-
+@pytest.mark.skip(reason="https://github.com/yt-project/yt/issues/2533")
 def test_requires_active_backend():
     @requires_backend(active_backend)
     def foo():
diff --git a/yt/visualization/tests/test_color_maps.py b/yt/visualization/tests/test_color_maps.py
index 6c99d9e..90fcded 100644
--- a/yt/visualization/tests/test_color_maps.py
+++ b/yt/visualization/tests/test_color_maps.py
@@ -2,6 +2,7 @@ import os
 import shutil
 import tempfile
 import unittest
+import pytest
 
 import matplotlib.pyplot as plt
 import numpy as np
@@ -22,6 +23,7 @@ class TestColorMaps(unittest.TestCase):
         os.chdir(self.curdir)
         shutil.rmtree(self.tmpdir)
 
+    @pytest.mark.skip(reason="https://github.com/yt-project/yt/issues/2533")
     @requires_backend("Agg")
     def test_show_colormaps(self):
         show_colormaps()
@@ -37,6 +39,7 @@ class TestColorMaps(unittest.TestCase):
         )
         assert_equal(str(ex.exception), desired)
 
+    @pytest.mark.skip(reason="https://github.com/yt-project/yt/issues/2533")
     @requires_backend("Agg")
     def test_make_colormap(self):
         make_colormap(
