diff --git a/test/test_datasource.py b/test/test_datasource.py
index 7f4cca75..56eb11ab 100644
--- a/test/test_datasource.py
+++ b/test/test_datasource.py
@@ -895,7 +895,8 @@ def test_publish_description(server: TSC.Server) -> None:
     ds_elem = body.find(".//datasource")
     assert ds_elem is not None
     assert ds_elem.attrib["description"] == "Sample description"
-    
+
+
 def test_get_datasource_no_owner(server: TSC.Server) -> None:
     with requests_mock.mock() as m:
         m.get(server.datasources.baseurl, text=GET_NO_OWNER.read_text())
diff --git a/test/test_regression_tests.py b/test/test_regression_tests.py
index 62e30159..21fbf384 100644
--- a/test/test_regression_tests.py
+++ b/test/test_regression_tests.py
@@ -1,4 +1,3 @@
-import unittest
 from unittest import mock
 
 import tableauserverclient.server.request_factory as factory
@@ -6,78 +5,80 @@
 from tableauserverclient.filesys_helpers import to_filename, make_download_path
 
 
-class BugFix257(unittest.TestCase):
-    def test_empty_request_works(self):
-        result = factory.EmptyRequest().empty_req()
-        self.assertEqual(b"<tsRequest />", result)
-
-
-class FileSysHelpers(unittest.TestCase):
-    def test_to_filename(self):
-        invalid = [
-            "23brhafbjrjhkbbea.txt",
-            "a_b_C.txt",
-            "windows space.txt",
-            "abc#def.txt",
-            "t@bL3A()",
-        ]
-
-        valid = [
-            "23brhafbjrjhkbbea.txt",
-            "a_b_C.txt",
-            "windows space.txt",
-            "abcdef.txt",
-            "tbL3A",
-        ]
-
-        self.assertTrue(all([(to_filename(i) == v) for i, v in zip(invalid, valid)]))
-
-    def test_make_download_path(self):
-        no_file_path = (None, "file.ext")
-        has_file_path_folder = ("/root/folder/", "file.ext")
-        has_file_path_file = ("outx", "file.ext")
-
-        self.assertEqual("file.ext", make_download_path(*no_file_path))
-        self.assertEqual("outx.ext", make_download_path(*has_file_path_file))
-
-        with mock.patch("os.path.isdir") as mocked_isdir:
-            mocked_isdir.return_value = True
-            self.assertEqual("/root/folder/file.ext", make_download_path(*has_file_path_folder))
-
-
-class LoggingTest(unittest.TestCase):
-    def test_redact_password_string(self):
-        redacted = redact_xml(
-            "<?xml version='1.0'?><workbook><password>this is password: my_super_secret_passphrase_which_nobody_should_ever_see  password: value</password></workbook>"
-        )
-        assert redacted.find("value") == -1
-        assert redacted.find("secret") == -1
-        assert redacted.find("ever_see") == -1
-        assert redacted.find("my_super_secret_passphrase_which_nobody_should_ever_see") == -1
-
-    def test_redact_password_bytes(self):
-        redacted = redact_xml(
-            b"<?xml version='1.0'?><datasource><data-connection name='con-artist' password='value string with at least a password: valuesecret or two in it'/></datasource>"
-        )
-        assert redacted.find(b"value") == -1
-        assert redacted.find(b"secret") == -1
-
-    def test_redact_password_with_special_char(self):
-        redacted = redact_xml(
-            "<?xml version='1.0'?><content><safe_text value='this is a nondescript text line which is public' password='my_s per_secre>_passphrase_which_nobody_should_ever_see with password: value'> </safe_text></content>"
-        )
-        assert redacted.find("my_s per_secre>_passphrase_which_nobody_should_ever_see with password: value") == -1
-
-    def test_redact_password_not_xml(self):
-        redacted = redact_xml(
-            "<content><safe_text value='this is a nondescript text line which is public' password='my_s per_secre>_passphrase_which_nobody_should_ever_see with password: value'> </safe_text></content>"
-        )
-        assert redacted.find("my_s per_secre>_passphrase_which_nobody_should_ever_see") == -1
-
-    def test_redact_password_really_not_xml(self):
-        redacted = redact_xml(
-            "value='this is a nondescript text line which is public' password='my_s per_secre>_passphrase_which_nobody_should_ever_see with password: value and then a cookie "
-        )
-        assert redacted.find("my_s per_secre>_passphrase_which_nobody_should_ever_see") == -1
-        assert redacted.find("passphrase") == -1, redacted
-        assert redacted.find("cookie") == -1, redacted
+def test_empty_request_works():
+    result = factory.EmptyRequest().empty_req()
+    assert b"<tsRequest />" == result
+
+
+def test_to_filename():
+    invalid = [
+        "23brhafbjrjhkbbea.txt",
+        "a_b_C.txt",
+        "windows space.txt",
+        "abc#def.txt",
+        "t@bL3A()",
+    ]
+
+    valid = [
+        "23brhafbjrjhkbbea.txt",
+        "a_b_C.txt",
+        "windows space.txt",
+        "abcdef.txt",
+        "tbL3A",
+    ]
+
+    assert all([(to_filename(i) == v) for i, v in zip(invalid, valid)])
+
+
+def test_make_download_path():
+    no_file_path = (None, "file.ext")
+    has_file_path_folder = ("/root/folder/", "file.ext")
+    has_file_path_file = ("outx", "file.ext")
+
+    assert "file.ext" == make_download_path(*no_file_path)
+    assert "outx.ext" == make_download_path(*has_file_path_file)
+
+    with mock.patch("os.path.isdir") as mocked_isdir:
+        mocked_isdir.return_value = True
+        assert "/root/folder/file.ext" == make_download_path(*has_file_path_folder)
+
+
+def test_redact_password_string():
+    redacted = redact_xml(
+        "<?xml version='1.0'?><workbook><password>this is password: my_super_secret_passphrase_which_nobody_should_ever_see  password: value</password></workbook>"
+    )
+    assert redacted.find("value") == -1
+    assert redacted.find("secret") == -1
+    assert redacted.find("ever_see") == -1
+    assert redacted.find("my_super_secret_passphrase_which_nobody_should_ever_see") == -1
+
+
+def test_redact_password_bytes():
+    redacted = redact_xml(
+        b"<?xml version='1.0'?><datasource><data-connection name='con-artist' password='value string with at least a password: valuesecret or two in it'/></datasource>"
+    )
+    assert redacted.find(b"value") == -1
+    assert redacted.find(b"secret") == -1
+
+
+def test_redact_password_with_special_char():
+    redacted = redact_xml(
+        "<?xml version='1.0'?><content><safe_text value='this is a nondescript text line which is public' password='my_s per_secre>_passphrase_which_nobody_should_ever_see with password: value'> </safe_text></content>"
+    )
+    assert redacted.find("my_s per_secre>_passphrase_which_nobody_should_ever_see with password: value") == -1
+
+
+def test_redact_password_not_xml():
+    redacted = redact_xml(
+        "<content><safe_text value='this is a nondescript text line which is public' password='my_s per_secre>_passphrase_which_nobody_should_ever_see with password: value'> </safe_text></content>"
+    )
+    assert redacted.find("my_s per_secre>_passphrase_which_nobody_should_ever_see") == -1
+
+
+def test_redact_password_really_not_xml():
+    redacted = redact_xml(
+        "value='this is a nondescript text line which is public' password='my_s per_secre>_passphrase_which_nobody_should_ever_see with password: value and then a cookie "
+    )
+    assert redacted.find("my_s per_secre>_passphrase_which_nobody_should_ever_see") == -1
+    assert redacted.find("passphrase") == -1, redacted
+    assert redacted.find("cookie") == -1, redacted