test: update for Zstd 1.3.8

test.py

@@ -16,7 +16,7 @@ class Test(unittest.TestCase):
         data = bytes(bytearray(int(gauss(0, .8)) % 256 for _ in range(1<<20)))
         max_level = maxCLevel()
         self.assertLess(2, max_level)
-        levels = (1, 232499), (max_level, 159505)
+        levels = (1, 232499), (max_level, 176504)
         for level, max_len in levels:
             self.assertLessEqual(len(self.compress(data, level)), max_len)
         compressed = self.compress(data)