fix(i18n): broken trailing slashes config when using differentDomains

Fixes #349

Author: harlan-zw

Diff for: src/runtime/nitro/sitemap/builder/sitemap.ts

@@ -214,7 +214,7 @@ export async function buildSitemapUrls(sitemap: SitemapDefinition, resolvers: Ni
         absolute: true,
         withBase: false,
         siteUrl: withHttps(domain),
-        trailingSlash: !_tester('/test/').endsWith('/'),
+        trailingSlash: _tester('/test/').endsWith('/'),
         base: '/',
       })
     }

Diff for: test/integration/i18n/domains.test.ts

@@ -57,14 +57,14 @@ describe('i18n domains', () => {
       "<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="/__sitemap__/style.xsl"?>
       <urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:video="http://www.google.com/schemas/sitemap-video/1.1" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd http://www.google.com/schemas/sitemap-image/1.1 http://www.google.com/schemas/sitemap-image/1.1/sitemap-image.xsd" xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
           <url>
-              <loc>https://fr.nuxtseo.com/fr/</loc>
+              <loc>https://fr.nuxtseo.com/fr</loc>
               <xhtml:link rel="alternate" hreflang="en-US" href="https://nuxtseo.com/en" />
               <xhtml:link rel="alternate" hreflang="es-ES" href="https://es.nuxtseo.com/es" />
               <xhtml:link rel="alternate" hreflang="fr-FR" href="https://fr.nuxtseo.com/fr" />
               <xhtml:link rel="alternate" hreflang="x-default" href="https://nuxtseo.com/en" />
           </url>
           <url>
-              <loc>https://fr.nuxtseo.com/fr/test/</loc>
+              <loc>https://fr.nuxtseo.com/fr/test</loc>
               <xhtml:link rel="alternate" hreflang="en-US" href="https://nuxtseo.com/en/test" />
               <xhtml:link rel="alternate" hreflang="es-ES" href="https://es.nuxtseo.com/es/test" />
               <xhtml:link rel="alternate" hreflang="fr-FR" href="https://fr.nuxtseo.com/fr/test" />