fix test

test/runtime/samples/dynamic-component-dirty/_config.js

@@ -1,9 +1,13 @@
-const calls = [];
+const calls = []
 export default {
 	props: {
 		calls
 	},
 
+	before_test() {
+		calls.length = 0;
+	},
+
 	async test({ assert, component, target, window }) {
 		const buttons = target.querySelector('button');
 

test/runtime/samples/dynamic-component-dirty/main.svelte

@@ -1,5 +1,4 @@
 <script>
-	import { writable } from 'svelte/store';
 	export let current_path = 'foo';
 	export let calls;
 	let i = 0;