Rename a test to be more in line with the others

tests/input/test_input_key_actions.py

@@ -93,7 +93,7 @@ async def test_input_left_word_from_end() -> None:
             assert input.cursor_position == expected_at[input.id]
 
 
-async def test_input_right_word_from_start() -> None:
+async def test_input_right_word_from_home() -> None:
     """Going right one word from the start should land correctly.."""
     async with InputTester().run_test() as pilot:
         expected_at: dict[str | None, int] = {