diff --git a/.github/workflows/dev-test.yml b/.github/workflows/dev-test.yml
index 6eecfbd..3c90d33 100644
--- a/.github/workflows/dev-test.yml
+++ b/.github/workflows/dev-test.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest]
+        os: [ubuntu-latest] #, windows-latest]
         # 3.13 not available yet somehow
         # 3.7 has issues with multiline expressions
         # 3.6- not found for ubuntu-latest
diff --git a/tests/dumps/test_core.after_100_.txt b/tests/dumps/test_core.after_100_.txt
index 287472b..b9d8e9f 100644
--- a/tests/dumps/test_core.after_100_.txt
+++ b/tests/dumps/test_core.after_100_.txt
@@ -7,6 +7,31 @@ Traceback with variables (most recent call last):
   .     return check_
   . 
   . 
+  . def test_replace():
+  .     fmt = Format(
+  .         max_value_str_len=1,
+  .         objects_details=1,
+  .         ellipsis_rel_pos=0.5,
+  .         max_exc_str_len=1,
+  .         ellipsis_='.',
+  .         before=1,
+  .         after=1,
+  .         color_scheme=None,
+  .         skip_files_except=[],
+  .         brief_files_except=[],
+  .         custom_var_printers=[],
+  .     )
+  .     fmt2 = fmt.replace(
+  .         before=2,
+  .         skip_files_except=['f1', 'f2'],
+  .     )
+  .     assert fmt.max_value_str_len == fmt.max_value_str_len
+  .     assert fmt2.before == 2
+  .     assert fmt.before == 1
+  .     assert fmt2.skip_files_except == ['f1', 'f2']
+  .     assert fmt.skip_files_except == []
+  . 
+  . 
   . def test_setattr():
   .     fmt = Format()
   .     fmt.max_value_str_len = 1
@@ -64,31 +89,6 @@ Traceback with variables (most recent call last):
   .     try:
   .         1/0
   .     except:
-  .         tb_reg(core.format_exc(fmt=Format(objects_details=objects_details)))
-  . 
-  . 
-  . @pytest.mark.parametrize('ellipsis_rel_pos', [-0.5, 0.0, 0.5, 0.7, 1.0, 1.5])
-  . def test_ellipsis_rel_pos(check, ellipsis_rel_pos):
-  .     check(fmt=Format(ellipsis_rel_pos=ellipsis_rel_pos))
-  . 
-  . 
-  . def test_max_exc_str_len(check):
-  .     check(fmt=Format(max_exc_str_len=50))
-  . 
-  . 
-  . @pytest.mark.parametrize('num_skipped_frames', [0, 1, 2])
-  . def test_num_skipped_frames(check, num_skipped_frames):
-  .     check(num_skipped_frames=num_skipped_frames)
-  . 
-  . 
-  . @pytest.mark.parametrize('before', [0, 2, 100])
-  . def test_before(check, before):
-  .     check(fmt=Format(before=before))
-  . 
-  . 
-  . @pytest.mark.parametrize('after', [0, 2, 100])
-  . def test_after(check, after):
-  .     check(fmt=Format(after=after))
       kwargs = {'fmt': <traceback_with_variables.core.Format object at 0x...omitted for tests only...>}
       tb_reg = <bound method Reg.match_tb_text of <tests.test_utils.Reg object at 0x...omitted for tests only...>>
   File "...omitted for tests only.../dummies.py", line...omitted for tests only..., in f