Clean up spec and reset available locales to :en in after block

Author: Morred

spec/grape/exceptions/base_spec.rb

@@ -7,29 +7,25 @@
     let(:key) { :invalid_formatter }
     let(:attributes) { { klass: String, to_format: 'xml' } }
 
+    before { I18n.default_locale = :de }
+    after do
+      I18n.available_locales = %i[en]
+      I18n.enforce_available_locales = false
+    end
+
     context 'when I18n enforces available locales' do
       before { I18n.enforce_available_locales = true }
-      after do
-        I18n.available_locales = %i[de en]
-        I18n.enforce_available_locales = false
-      end
 
       context 'when the fallback locale is available' do
-        before do
-          I18n.available_locales = %i[de en]
-          I18n.default_locale = :de
-        end
+        before { I18n.available_locales = %i[de en] }
 
         it 'returns the translated message' do
           expect(subject).to eq('cannot convert String to xml')
         end
       end
 
       context 'when the fallback locale is not available' do
-        before do
-          I18n.available_locales = %i[de jp]
-          I18n.default_locale = :de
-        end
+        before { I18n.available_locales = %i[de jp] }
 
         it 'returns the translation string' do
           expect(subject).to eq("grape.errors.messages.#{key}")
@@ -39,24 +35,17 @@
 
     context 'when I18n does not enforce available locales' do
       before { I18n.enforce_available_locales = false }
-      after { I18n.available_locales = %i[de en] }
 
       context 'when the fallback locale is available' do
-        before do
-          I18n.available_locales = %i[de en]
-          I18n.default_locale = :de
-        end
+        before { I18n.available_locales = %i[de en] }
 
         it 'returns the translated message' do
           expect(subject).to eq('cannot convert String to xml')
         end
       end
 
       context 'when the fallback locale is not available' do
-        before do
-          I18n.available_locales = %i[de jp]
-          I18n.default_locale = :de
-        end
+        before { I18n.available_locales = %i[de jp] }
 
         it 'returns the translated message' do
           expect(subject).to eq('cannot convert String to xml')