diff --git a/packages/astro/test/content-layer.test.js b/packages/astro/test/content-layer.test.js
index e51c55c1693f..6b833085df86 100644
--- a/packages/astro/test/content-layer.test.js
+++ b/packages/astro/test/content-layer.test.js
@@ -87,7 +87,10 @@ describe('Content Layer', () => {
 			assert.ok(json.hasOwnProperty('probes'));
 			assert.ok(Array.isArray(json.probes));
 			assert.equal(json.probes.length, 5);
-			assert.equal(json.probes.at(-1).id, 'philae-lander', 'Voyager probes should not be included');
+			assert.ok(
+				json.probes.every(({ id }) => !id.startsWith('voyager')),
+				'Voyager probes should not be included',
+			);
 		});
 
 		it('Returns data entry by id', async () => {