Enhance typecast test

nogil_test/cypclass_test_typecast.pyx

@@ -7,8 +7,22 @@ cdef cypclass SomeMemory:
     int __int__(self):
         return self.a
 
+    bint __bool__(self):
+        return self.a < 0
+
+cdef cypclass SomeWrapper:
+    SomeMemory m
+
+    void __init__(self, int a=0):
+        self.m = SomeMemory()
+        self.m.a = a
+
+    SomeMemory __SomeMemory__(self):
+        return self.m
+
 cpdef bag():
   cdef SomeMemory o = SomeMemory()
   o.a = -1
-  return str(<int> o) + '\n' + str(<unsigned int> o)
-
+  cdef SomeWrapper w = SomeWrapper(3)
+  return str(<int> o) + '\n' + str(<unsigned int> o) + '\n' + str(<bint> o)\
+         + '\n' + str(<int> <SomeMemory> w)