builtin,vm: fix builtin-isinstance test

Author: sbinet

builtin/tests/builtin.py

@@ -167,6 +167,15 @@ def func(p):
 assertRaises(TypeError, hex, 10.0) ## TypeError: 'float' object cannot be interpreted as an integer
 assertRaises(TypeError, hex, float(0)) ## TypeError: 'float' object cannot be interpreted as an integer
 
+doc="isinstance"
+class A:
+    pass
+a = A()
+assert isinstance(1, (str, tuple, int))
+assert isinstance(a, (str, (tuple, (A, ))))
+assertRaises(TypeError, isinstance, 1, (A, ), "foo")
+assertRaises(TypeError, isinstance, 1, [A, "foo"])
+
 doc="iter"
 cnt = 0
 def f():

vm/tests/builtin.py

@@ -1,7 +1,6 @@
 # Copyright 2018 The go-python Authors.  All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.
-from libtest import assertRaises
 
 doc="eval"
 assert eval("1+2") == 3
@@ -66,13 +65,4 @@
 else:
     assert False, "SyntaxError not raised"
 
-doc="isinstance"
-class A:
-    pass
-a = A()
-assert True, isinstance(1, (str, tuple, int))
-assert True, isinstance(a, (str, (tuple, (A, ))))
-assertRaises(TypeError, isinstance, 1, (A, ), "foo")
-assertRaises(TypeError, isinstance, 1, [A, "foo"])
-
 doc="finished"