relax test case

Author: timfel

graalpython/com.oracle.graal.python.test/src/tests/test_re.py

@@ -73,9 +73,9 @@ def test_json_bytes_re_compile():
     try:
         json.encoder.HAS_UTF8.search("\x80")
     except TypeError as e:
-        assert "cannot use a bytes pattern on a string-like object" in str(e)
+        pass
     else:
-        assert False
+        assert False, "searching a bytes-pattern in a str did not raise"
 
 
 class S(str):
@@ -310,4 +310,3 @@ def test_escaping(self):
         self.assertTrue(match)
         assert "frac" in match.groupdict()
         assert match.groupdict()["frac"] == "1"
-