tests/basics/int_big_error.py: Use bytearray to test for int overflow.
In Python 3.7 "1 >> (big int)" is now allowed, it no longer raises an
OverflowError.  So use bytearray to test big-int conversion overflow.
@@ -17,9 +17,9 @@ try:
except TypeError:
print("TypeError")
-# overflow because rhs of >> is being converted to machine int
+# overflow because arg of bytearray is being converted to machine int
try:
- 1 >> i
+ bytearray(i)
except OverflowError:
print('OverflowError')
