added test

packages/svelte/tests/server-side-rendering/samples/head-raw-elements-content/_config.js

@@ -0,0 +1,7 @@
+import { test } from '../../test';
+
+export default test({
+	compileOptions: {
+		preserveComments: true
+	}
+});

packages/svelte/tests/server-side-rendering/samples/head-raw-elements-content/_expected.html

@@ -0,0 +1,17 @@
+<![>
+<![>
+<title>lorem</title>
+<!]>
+<![>
+<style>
+	.ipsum {
+		display: block;
+	}
+</style>
+<!]>
+<![>
+<script>
+	console.log(true);
+</script>
+<!]>
+<!]>

packages/svelte/tests/server-side-rendering/samples/head-raw-elements-content/main.svelte

@@ -0,0 +1,3 @@
+<svelte:element this="title">lorem</svelte:element>
+<svelte:element this="style">{'.ipsum { display: block; }'}</svelte:element>
+<svelte:element this="script">{'console.log(true);'}</svelte:element>