1 files changed, 7 insertions, 17 deletions
diff --git a/setuptools/_distutils/tests/test_bdist_dumb.py b/setuptools/_distutils/tests/test_bdist_dumb.py
index 7c4d5964..8624a429 100644
--- a/setuptools/_distutils/tests/test_bdist_dumb.py
+++ b/setuptools/_distutils/tests/test_bdist_dumb.py
@@ -3,7 +3,6 @@
 import os
 import sys
 import zipfile
-import unittest
 
 import pytest
 
@@ -21,23 +20,14 @@ setup(name='foo', version='0.1', py_modules=['foo'],
 """
 
 
+@support.combine_markers
 @pytest.mark.usefixtures('save_env')
-class BuildDumbTestCase(
+@pytest.mark.usefixtures('save_argv')
+@pytest.mark.usefixtures('save_cwd')
+class TestBuildDumb(
     support.TempdirManager,
     support.LoggingSilencer,
-    unittest.TestCase,
 ):
-    def setUp(self):
-        super(BuildDumbTestCase, self).setUp()
-        self.old_location = os.getcwd()
-        self.old_sys_argv = sys.argv, sys.argv[:]
-
-    def tearDown(self):
-        os.chdir(self.old_location)
-        sys.argv = self.old_sys_argv[0]
-        sys.argv[:] = self.old_sys_argv[1]
-        super(BuildDumbTestCase, self).tearDown()
-
     @pytest.mark.usefixtures('needs_zlib')
     def test_simple_built(self):
 
@@ -75,9 +65,9 @@ class BuildDumbTestCase(
 
         # see what we have
         dist_created = os.listdir(os.path.join(pkg_dir, 'dist'))
-        base = "%s.%s.zip" % (dist.get_fullname(), cmd.plat_name)
+        base = "{}.{}.zip".format(dist.get_fullname(), cmd.plat_name)
 
-        self.assertEqual(dist_created, [base])
+        assert dist_created == [base]
 
         # now let's check what we have in the zip file
         fp = zipfile.ZipFile(os.path.join('dist', base))
@@ -90,4 +80,4 @@ class BuildDumbTestCase(
         wanted = ['foo-0.1-py%s.%s.egg-info' % sys.version_info[:2], 'foo.py']
         if not sys.dont_write_bytecode:
             wanted.append('foo.%s.pyc' % sys.implementation.cache_tag)
-        self.assertEqual(contents, sorted(wanted))
+        assert contents == sorted(wanted)