Fix I18n 0.9.3 compatibility

Starting from version 0.9.3, I18n doesn't store translations for locales
not set as available.

This change set locales as available before storing translations.

Fix: faker-ruby#1132

Ref: ruby-i18n/i18n#391

Gemfile.lock

@@ -8,7 +8,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     concurrent-ruby (1.0.5)
-    i18n (0.9.1)
+    i18n (0.9.3)
       concurrent-ruby (~> 1.0)
     minitest (5.10.3)
     power_assert (1.1.1)
@@ -28,4 +28,4 @@ DEPENDENCIES
   timecop
 
 BUNDLED WITH
-   1.16.0
+   1.16.1

test/test_faker_city.rb

@@ -9,8 +9,8 @@ def setup
         :address => {:city_prefix => ['west'], :city_suffix => ['burg']}
       }
     }
-    I18n.backend.store_translations(:xx, xx)
     I18n.config.available_locales += [ :xx ]
+    I18n.backend.store_translations(:xx, xx)
 
     xy = {
       :faker => {
@@ -23,8 +23,8 @@ def setup
         }
       }
     }
-    I18n.backend.store_translations(:xy, xy)
     I18n.config.available_locales += [ :xy ]
+    I18n.backend.store_translations(:xy, xy)
   end
 
   def teardown

test/test_faker_commerce.rb

@@ -41,8 +41,8 @@ def test_department_should_accept_localized_separator
       }
     }
 
-    I18n.backend.store_translations(:xy, data)
     I18n.config.available_locales += [ :xy ]
+    I18n.backend.store_translations(:xy, data)
     I18n.with_locale(:xy) do
       assert_match ' + ', @tester.department(2, true)
     end

test/test_faker_street.rb

@@ -20,8 +20,8 @@ def setup
         }
       }
     }
-    I18n.backend.store_translations(:shire, shire)
     I18n.config.available_locales += [ :shire ]
+    I18n.backend.store_translations(:shire, shire)
   end
 
   def teardown

test/test_faker_zip_code.rb

@@ -26,9 +26,9 @@ def setup
       }
     }
 
+    I18n.config.available_locales += [:xy, :xz]
     I18n.backend.store_translations(:xy, locale_without_state)
     I18n.backend.store_translations(:xz, locale_with_state)
-    I18n.config.available_locales += [:xy, :xz]
     @tester = Faker::Address
   end
 

test/test_flexible.rb

@@ -10,11 +10,11 @@ class TestFlexible < Test::Unit::TestCase
 
   def setup
     @old_locales = I18n.config.available_locales
+    I18n.config.available_locales += [ :xx, :home, :kindergarden, :work ]
     I18n.backend.store_translations(:xx, :faker => {:chow => {:yummie => [:fudge, :chocolate, :caramel], :taste => "delicious"}})
     I18n.backend.store_translations(:home, :faker => {:address => {:birthplace => [:bed, :hospital, :airplane]}})
     I18n.backend.store_translations(:kindergarden, :faker => {:name => {:girls_name => [:alice, :cheryl, :tatiana]}})
     I18n.backend.store_translations(:work, :faker => {:company => {:do_stuff => [:work, :work, :work]}})
-    I18n.config.available_locales += [ :xx, :home, :kindergarden, :work ]
   end
 
   def teardown