Remove case - test, keep only case +

Author: johnslavik

Lib/test/test_pyrepl/test_utils.py

@@ -132,13 +132,6 @@ def test_gen_colors_keyword_highlighting(self):
                     ("+", "op"),
                 ],
             ),
-            (
-                "case -1",
-                [
-                    ("case", "soft_keyword"),
-                    ("-", "op"),
-                ],
-            ),
         ]
         for code, expected_highlights in cases:
             with self.subTest(code=code):