feat(shiki): add test coverage for excluded langs

packages/astro/test/astro-markdown-shiki.test.js

@@ -92,6 +92,9 @@ describe('Astro Markdown Shiki', () => {
 			expect(unknownLang).to.be.equal(
 				'<span style="color: #e1e4e8">This language does not exist</span>'
 			);
+
+			const excludedLang = $('.language-shell').html().trim();
+			expect(excludedLang).to.be.equal('This language code block is excluded');
 		});
 	});
 

packages/astro/test/fixtures/astro-markdown-shiki/langs/astro.config.mjs

@@ -14,6 +14,7 @@ export default {
 					aliases: ['ri'],
 				},
 			],
+			excludeLangs: ['shell']
 		},
 	},
 }

packages/astro/test/fixtures/astro-markdown-shiki/langs/src/pages/index.md

@@ -24,3 +24,7 @@ fin
 ```unknown
 This language does not exist
 ```
+
+```shell
+This language code block is excluded
+```