test: Add test overriding locales in component options

Remove warning for using locale that is not globally available as
I can't see a way to trigger it.

src/helpers/routes.js

@@ -1,5 +1,4 @@
 const {
-  MODULE_NAME,
   STRATEGIES
 } = require('./constants')
 const { extractComponentOptions } = require('./components')
@@ -65,13 +64,6 @@ exports.makeRoutes = (baseRoutes, {
       let { path } = route
       const localizedRoute = { ...route }
 
-      // Skip if locale not in module's configuration
-      if (locales.indexOf(locale) === -1) {
-        // eslint-disable-next-line no-console
-        console.warn(`[${MODULE_NAME}] Can't generate localized route for route '${name}' with locale '${locale}' because locale is not in the module's configuration`)
-        continue
-      }
-
       // Make localized route name. Name might not exist on parent route if child has same path.
       if (name) {
         localizedRoute.name = name + routesNameSeparator + locale

test/fixture/basic/pages/simple.vue

@@ -3,5 +3,9 @@
 </template>
 
 <script>
-export default {}
+export default {
+  nuxtI18n: {
+    locales: ['en', 'fr', 'es']  // locale not defined in global options
+  }
+}
 </script>

test/module.test.js

@@ -73,6 +73,12 @@ describe('basic', () => {
     expect(response.statusCode).toBe(404)
   })
 
+  test('route specifies options with non-supported locale', async () => {
+    await expect(get('/simple')).resolves.toBeDefined()
+    await expect(get('/fr/simple')).resolves.toBeDefined()
+    await expect(get('/es/simple')).rejects.toBeDefined()
+  })
+
   describe('posts', () => {
     let html
     let title