add test for soft keywords

Author: zang-langyan

Lib/test/test_traceback.py

@@ -1815,6 +1815,11 @@ class TestKeywordTypoSuggestions(unittest.TestCase):
         ("[x for x\nin range(3)\nof x]", "if"),
         ("[123 fur x\nin range(3)\nif x]", "for"),
         ("for x im n:\n  pass", "in"),
+        ("mach x:", "match"),
+        ("math x:", "match"),
+        ("match 1:\n  cse 1:", "case"),
+        ("typ x = int", "type"),
+        ("typed x = int", "type"),
         ("switch x:\n case:", "match"),
         ("delete x", "del"),
         ("function f():", "def"),