since it turns out we already had a test, we can delete the new one

packages/svelte/tests/hydration/samples/html-tag-hydration-2/_config.js

@@ -1,19 +0,0 @@
-import { test } from '../../test';
-
-export default test({
-	server_props: {
-		browser: false
-	},
-
-	props: {
-		browser: true
-	},
-
-	compileOptions: {
-		dev: true
-	},
-
-	errors: [
-		'The value of an `{@html ...}` block in packages/​svelte/​tests/​hydration/​samples/​html-tag-hydration-2/​main.svelte changed between server and client renders. The client value will be ignored in favour of the server value'
-	]
-});

packages/svelte/tests/hydration/samples/html-tag-hydration-2/main.svelte

@@ -1,5 +0,0 @@
-<script lang="ts">
-	let { browser } = $props();
-</script>
-
-{@html browser ? 'browser' : 'server'}