curationexperts / cypripedium / b0166ce1-e067-40a7-8293-a149173686c6

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Fix for inconsistent locale/template error (#608)

**ISSUE**

In some randomized orders of the test suite, we get the following
error:

```
Failures:

  1) Getting a friendly error for Invalid Locales visiting a locale that does not exist has a 406 page
     Failure/Error: <%= render_notifications(user: current_user) %>

     ActionView::Template::Error:
       "pluto" is not a valid locale

     # ./app/views/_user_util_links.html.erb:5:in `_app_views__user_util_links_html_erb__2932143581416229937_591080'
     # ./app/views/_masthead.html.erb:15:in `_app_views__masthead_html_erb__627904811801929399_591040'
     # ./app/controllers/application_controller.rb:21:in `render_406'
     # ./config/exception_middleware.rb:9:in `call'
     # ./spec/system/invalid_locale_spec.rb:13:in `block (3 levels) in <top (required)>'
     # ------------------
     # --- Caused by: ---
     # I18n::InvalidLocale:
     #   "pluto" is not a valid locale
     #   ./config/exception_middleware.rb:9:in `call'

Finished in 1 minute 57.54 seconds (files took 8.56 seconds to load)
233 examples, 1 failure, 8 pending

Failed examples:

rspec ./spec/system/invalid_locale_spec.rb:12 # Getting a friendly error for Invalid Locales visiting a locale that does not exist has a 406 page

Randomized with seed 6472
```

**DIAGNOSIS**
If the application has not rendered a view using a vaild locale
before encountering an invalid locale, it will still attempt to
use the invalid locale when rendering partials in the layout.

**FIX**
Explicitly remove any invalid locale settings from the param list.

1 of 1 new or added line in 1 file covered. (100.0%)

1029 of 1096 relevant lines covered (93.89%)

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