class RuboCop::Cop::RSpec::PredicateMatcher

def block_loc(send_node)

^^^^^^^^
foo { bar }
@example
returns block location with whitespace 
def block_loc(send_node)
  parent = send_node.parent
  return unless parent.block_type?
  send_node.loc.expression.end.with(
    end_pos: parent.loc.expression.end_pos
  )
end