Fixed failing tests for mass variable assignments.
Fixed failing tests for mass variable assignments.

These were broken by the re-introduction of member assignments and buffering of
arrays as definition instances.

Signed-off-by: Yorick Peterse <82349cb6397bb932b4bf3561b4ea2fad50571f50@gmail.com>

YorickPeterse/ruby-lint,YorickPeterse/ruby-lint,cabo/ruby-lint,cabo/ruby-lint