!squash fix: rename _global to global_ in test_options

why: Match the parameter rename from _global to global_ in OptionsMixin.

what:
- Update all _global usages to global_ in tests/test_options.py

Author: tony

tests/test_options.py

@@ -35,7 +35,7 @@ def test_options(server: Server) -> None:
 
     for obj in [server, session, window, pane]:
         obj._show_options()
-        obj._show_options(_global=True)
+        obj._show_options(global_=True)
         obj._show_options(include_inherited=True)
         obj._show_options(include_hooks=True)
         with pytest.raises(OptionError):
@@ -147,24 +147,24 @@ def test_options_grid(server: Server) -> None:
     pane = window.split_window(attach=False)
 
     for include_inherited in [True, False]:
-        for _global in [True, False]:
+        for global_ in [True, False]:
             for obj in [server, session, window, pane]:
                 for scope in [
                     OptionScope.Server,
                     OptionScope.Session,
                     OptionScope.Window,
                 ]:
-                    obj_global_options_ = obj._show_options(
+                    objglobal__options_ = obj._show_options(
                         scope=scope,
                         include_inherited=include_inherited,
-                        _global=_global,
+                        global_=global_,
                     )
-                    obj_global_options = Options(**obj_global_options_)
-                    for field in dataclasses.fields(obj_global_options):
-                        expected = obj_global_options_.get(field.name.replace("_", "-"))
+                    objglobal__options = Options(**objglobal__options_)
+                    for field in dataclasses.fields(objglobal__options):
+                        expected = objglobal__options_.get(field.name.replace("_", "-"))
 
                         if include_inherited and expected is None:
-                            expected = obj_global_options_.get(
+                            expected = objglobal__options_.get(
                                 f"{field.name.replace('_', '-')}*",
                                 None,
                             )
@@ -175,18 +175,18 @@ def test_options_grid(server: Server) -> None:
                             if expected is None:
                                 default_value = None
                         assert (
-                            getattr(obj_global_options, field.name, default_value)
+                            getattr(objglobal__options, field.name, default_value)
                             == expected
                         ), (
                             f"Expect {field.name} to be {expected} when "
-                            + f"scope={scope}, _global={_global}"
+                            + f"scope={scope}, global_={global_}"
                         )
                     if (
                         has_gte_version("3.0")
                         and scope == OptionScope.Window
-                        and _global
+                        and global_
                     ):
-                        assert obj_global_options.pane_base_index == 0
+                        assert objglobal__options.pane_base_index == 0
 
 
 def test_custom_options(