!squash test

See also:
- https://github.com/tmux/tmux/blob/2.3/cmd-show-options.c - unknown option
- https://github.com/tmux/tmux/blob/2.9/cmd-show-options.c - last version
  with unknown option
- https://github.com/tmux/tmux/blob/3.0/cmd-show-options.c - uses
  invalid option

Author: tony

tests/test_session.py

@@ -133,7 +133,7 @@ def test_empty_session_option_returns_None(session):
 def test_show_option_unknown(session):
     """Session.show_option raises UnknownOption for invalid option."""
     cmd_exception = exc.UnknownOption
-    if has_gte_version('2.4'):
+    if has_gte_version('3.0'):
         cmd_exception = exc.InvalidOption
     with pytest.raises(cmd_exception):
         session.show_option('moooz')

tests/test_window.py

@@ -214,7 +214,7 @@ def test_show_window_option_unknown(session):
     window = session.new_window(window_name='test_window')
 
     cmd_exception = exc.UnknownOption
-    if has_gte_version('2.4'):
+    if has_gte_version('3.0'):
         cmd_exception = exc.InvalidOption
     with pytest.raises(cmd_exception):
         window.show_window_option('moooz')