Revert "ComplainMatcher: Simplify specs background"
Revert "ComplainMatcher: Simplify specs background"

* This reverts commit c3774868d93e6223775554e5c7afa167cfa51bdf.
* The setup is actually more robust and ensures $VERBOSE is always
  nil at the start of the specs below.

ruby/mspec,kachick/mspec,eregon/mspec,kachick/mspec,ruby/mspec