Replace js test with runtime test

test/js/samples/ssr-spread-component-props-immutably/_config.js

@@ -1,5 +0,0 @@
-export default {
-	options: {
-		generate: 'ssr'
-	}
-};

test/js/samples/ssr-spread-component-props-immutably/expected.js

@@ -1,11 +0,0 @@
-/* generated by Svelte vX.Y.Z */
-import { create_ssr_component, validate_component } from "svelte/internal";
-
-import Component from './Component.svelte';
-
-const Component_1 = create_ssr_component(($$result, $$props, $$bindings, slots) => {
-	let props = { x: 1, y: 2, z: 3 };
-	return `${validate_component(Component, "Component").$$render($$result, Object.assign({}, props, { x: 2 }), {}, {})}`;
-});
-
-export default Component_1;

test/js/samples/ssr-spread-component-props-immutably/input.svelte

@@ -1,11 +0,0 @@
-<script>
-	import Component from './Component.svelte';
-
-	let props = {
-		x: 1,
-		y: 2,
-		z: 3,
-	};
-</script>
-
-<Component {...props} x={2} />

test/runtime/samples/spread-component-immutable/_config.js

@@ -0,0 +1,15 @@
+const obj = {
+	x: 1,
+	y: 2,
+	z: 3
+};
+
+export default {
+	props: {
+		obj
+	},
+
+	test({ assert }) {
+		assert.deepEqual(obj, { x: 1, y: 2, z: 3 });
+	}
+};

test/runtime/samples/spread-component-immutable/main.svelte

@@ -0,0 +1,7 @@
+<script>
+	import Widget from './Widget.svelte';
+
+	export let obj;
+</script>
+
+<Widget {...obj} x={2} />