devel/ruby-rspec-rails: update to 3.8.2

### 3.8.2 / 2019-01-13
[Full Changelog](http://github.com/rspec/rspec-rails/compare/v3.8.1...v3.8.2)

Bug Fixes:

* Fix issue with generator for preview specs where `Mailer` would be duplicated
  in the name. (Kohei Sugi, #2037)
* Fix the request spec generator to handle namespaced files. (Kohei Sugi, #2057)
* Further truncate system test filenames to handle cases when extra words are
  prepended. (Takumi Kaji, #2058)
* Backport: Make the `ActiveJob` matchers fail when multiple jobs are queued
  for negated matches. e.g. `expect { job; job; }.to_not have_enqueued_job
  (Emric Istanful, #2069)

### 3.8.1 / 2018-10-23
[Full Changelog](http://github.com/rspec/rspec-rails/compare/v3.8.0...v3.8.1)

Bug Fixes:

* Fix `NoMethodError: undefined method 'strip'` when using a `Pathname` object
  as the fixture file path. (Aaron Kromer, #2026)
* When generating feature specs, do not duplicate namespace in the path name.
  (Laura Paakkinen, #2034)
* Prevent `ActiveJob::DeserializationError` from being issued when `ActiveJob`
  matchers de-serialize arguments. (@aymeric-ledorze, #2036)

### 3.8.0 / 2018-08-04
[Full Changelog](http://github.com/rspec/rspec-rails/compare/v3.7.2...v3.8.0)

Enhancements:

* Improved message when migrations are pending in the default `rails_helper.rb`
  (Koichi ITO, #1924)
* `have_http_status` matcher now supports Rails 5.2 style response symbols
  (Douglas Lovell, #1951)
* Change generated Rails helper to match Rails standards for Rails.root
  (Alessandro Rodi, #1960)
* At support for asserting enqueued jobs have no wait period attached.
  (Brad Charna, #1977)
* Cache instances of `ActionView::Template` used in `stub_template` resulting
  in increased performance due to less allocations and setup. (Simon Coffey, #1979)
* Rails scaffold generator now respects longer namespaces (e.g. api/v1/\<thing\>).
  (Laura Paakkinen, #1958)

Bug Fixes:

* Escape quotation characters when producing method names for system spec
  screenshots. (Shane Cavanaugh, #1955)
* Use relative path for resolving fixtures when `fixture_path` is not set.
  (Laurent Cobos, #1943)
* Allow custom template resolvers in view specs. (@ahorek, #1941)

(taca)