add test

test/runtime/samples/deconflict-value/Widget.svelte

@@ -0,0 +1,3 @@
+<script>
+	export let value = 'foo';
+</script>

test/runtime/samples/deconflict-value/_config.js

@@ -0,0 +1,6 @@
+export default {
+	html: `
+		<p>Reactive: foo</p>
+		<p>Value: foo</p>
+	`
+};

test/runtime/samples/deconflict-value/main.svelte

@@ -0,0 +1,9 @@
+<script>
+  import Widget from './Widget.svelte';
+	let value;
+	$: reactive = value;
+</script>
+
+<Widget bind:value/>
+<p>Reactive: {reactive}</p>
+<p>Value: {value}</p>