Updated test name

Co-authored-by: Hugo van Kemenade <[email protected]>

Tests/test_font_bdf.py

@@ -17,7 +17,7 @@ def test_sanity() -> None:
     assert len([_f for _f in font.glyph if _f]) == 190
 
 
-def test_valueerror() -> None:
+def test_zero_width_chars() -> None:
     with open(filename, "rb") as fp:
         data = fp.read()
         data = data[:2650] + b"\x00\x00" + data[2652:]