Update test for arrays

With the new array scheme, memsize and offset calculation
has changed.

Author: boriel

tests/symbols/test_symbolARRAYACCESS.py

@@ -91,4 +91,4 @@ def test_offset(self):
         aa = symbols.ARRAYACCESS.make_node('test', self.arg, lineno=2)
         self.assertIsInstance(aa, symbols.ARRAYACCESS)
         self.assertIsNotNone(aa.offset)
-        self.assertEqual(aa.offset, 7)
+        self.assertEqual(aa.offset, 2)

tests/symbols/test_symbolVARARRAY.py

@@ -43,4 +43,4 @@ def test_size(self):
 
     def test_memsize(self):
         arr = symbols.VARARRAY('test', self.bounds, 1, type_=Type.ubyte)
-        self.assertEqual(arr.memsize, arr.size + 1 + TYPE.size(gl.BOUND_TYPE) * len(arr.bounds))
+        self.assertEqual(arr.memsize, 2 * TYPE.size(gl.PTR_TYPE))