tests/test-dirstatedirs.out

use inst.args instead of using __getitem__ directly

DeprecationWarning: __getitem__ not supported for exception classes in 3.x;
use args attribute

adding a/b/c/d/x
adding a/b/c/d/y
adding a/b/c/d/z
moving a/b/c/d/x to z/b/c/d/x
moving a/b/c/d/y to z/b/c/d/y
moving a/b/c/d/z to z/b/c/d/z