remove invalid cases

tests/29_incdec.py

@@ -1,15 +0,0 @@
-# a = 1
-
-# ++a
-# assert a == 2
-# ++a; ++a; --a;
-# assert a == 3
-
-# def f(a):
-#     ++a
-#     ++a
-#     --a
-#     return a
-
-# assert f(3) == 4
-# assert f(-2) == -1

tests/33_match_case.py

@@ -1,44 +0,0 @@
-# match = 2
-# assert match == 2
-# case = 3
-# assert case == 3
-
-# def f(match):
-#     match match:
-#         case 1: return 1
-#         case 2: return 2
-#         case _:
-#             return 999
-#     return 0
-
-# assert f(1) == 1
-# assert f(2) == 2
-# assert f(3) == 999
-# assert f(4) == 999
-
-# def f():
-#     a = []
-#     try:
-#         match case:
-#             case a[1]: return 1
-#     except IndexError:
-#         return 'IndexError'
-#     return 0
-
-# assert f() == 'IndexError'
-
-
-# def f(pos):
-#     match pos:
-#         case 'str': return 'str'
-#         case 0: return 0
-#         case (1, 2): return '1, 2'
-#         case (3, 4): return '3, 4'
-#         case _: return 'other'
-
-# assert f('str') == 'str'
-# assert f(0) == 0
-# assert f((1, 2)) == '1, 2'
-# assert f((3, 4)) == '3, 4'
-# assert f((1, 3)) == 'other'
-# assert f((1, 2, 3)) == 'other'