fix narrative bot spec to include base_uri key in translations

plugins/discourse-narrative-bot/spec/user_spec.rb

@@ -4,6 +4,14 @@ describe User do
   let(:user) { Fabricate(:user) }
   let(:profile_page_url) { "#{Discourse.base_url}/users/#{user.username}" }
 
+  def i18n_post_args(extra = {})
+    { base_uri: "" }.merge(extra)
+  end
+
+  def i18n_t(key, params = {})
+    I18n.t(key, i18n_post_args.merge(params))
+  end
+
   before do
     SiteSetting.queue_jobs = false
     SiteSetting.discourse_narrative_bot_enabled = true
@@ -15,7 +23,7 @@ describe User do
 
       user
 
-      expected_raw = I18n.t('discourse_narrative_bot.new_user_narrative.hello.message',
+      expected_raw = i18n_t('discourse_narrative_bot.new_user_narrative.hello.message',
         username: user.username, title: SiteSetting.title
       )
 
@@ -42,7 +50,7 @@ describe User do
         it 'initiates the bot' do
           expect { user }.to change { Topic.count }.by(1)
 
-          expect(Topic.last.title).to eq(I18n.t(
+          expect(Topic.last.title).to eq(i18n_t(
             'discourse_narrative_bot.new_user_narrative.hello.title'
           ).gsub(/:robot:/, '').strip)
         end
@@ -56,7 +64,7 @@ describe User do
         it 'initiate the bot' do
           expect { user }.to change { Topic.count }.by(1)
 
-          expect(Topic.last.title).to eq(I18n.t(
+          expect(Topic.last.title).to eq(i18n_t(
             'discourse_narrative_bot.new_user_narrative.hello.title'
           ))
         end
@@ -69,7 +77,7 @@ describe User do
           it 'should send the right welcome message' do
             expect { user }.to change { Topic.count }.by(1)
 
-            expect(Topic.last.title).to eq(I18n.t(
+            expect(Topic.last.title).to eq(i18n_t(
               "system_messages.welcome_user.subject_template",
               site_name: SiteSetting.title
             ))