chore: normalize dialogs

tests/test_cooldown.py

@@ -1,19 +0,0 @@
-import pytest
-import time
-
-from dzgui.util import cooldown
-
-
-def test_time_under():
-    time_before = cooldown.get_time()
-    time.sleep(1)
-    result = cooldown.is_elapsed(time_before)
-    assert result is False
-
-
-@pytest.mark.slow
-def test_time_over():
-    time_before = cooldown.get_time()
-    time.sleep(31)
-    result = cooldown.is_elapsed(time_before)
-    assert result is True