Replace i18n view spec with helper spec (#24966)

spec/locales/i18n_spec.rb

+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe 'I18n' do
+  describe 'Pluralizing locale translations' do
+    subject { I18n.t('generic.validation_errors', count: 1) }
+
+    context 'with the `en` locale which has `one` and `other` plural values' do
+      around do |example|
+        I18n.with_locale(:en) do
+          example.run
+        end
+      end
+
+      it 'translates to `en` correctly and without error' do
+        expect { subject }.to_not raise_error
+        expect(subject).to match(/the error below/)
+      end
+    end
+
+    context 'with the `my` locale which has only `other` plural value' do
+      around do |example|
+        I18n.with_locale(:my) do
+          example.run
+        end
+      end
+
+      it 'translates to `my` correctly and without error' do
+        expect { subject }.to_not raise_error
+        expect(subject).to match(/1/)
+      end
+    end
+  end
+end

spec/views/shared/_error_messages.html.haml_spec.rb

-# frozen_string_literal: true
-
-require 'rails_helper'
-
-describe 'shared/_error_messages.html.haml' do
-  let(:status) { Status.new }
-
-  before { status.errors.add :base, :invalid }
-
-  context 'with a locale that has `one` and `other` plural values' do
-    around do |example|
-      I18n.with_locale(:en) do
-        example.run
-      end
-    end
-
-    it 'renders the view with one error' do
-      render partial: 'shared/error_messages', locals: { object: status }
-
-      expect(rendered).to match(/is invalid/)
-    end
-  end
-
-  context 'with a locale that has only `other` plural value' do
-    around do |example|
-      I18n.with_locale(:my) do
-        example.run
-      end
-    end
-
-    it 'renders the view with one error' do
-      render partial: 'shared/error_messages', locals: { object: status }
-
-      expect(rendered).to match(/is invalid/)
-    end
-  end
-end