move some tests, add a failing test

test/runtime/samples/reactive-values-self-dependency/_config.js

@@ -0,0 +1,15 @@
+export default {
+	html: `
+		<p>1 + 2 = 3</p>
+		<p>Times calculated: 1</p>
+	`,
+
+	test({ assert, component, target }) {
+		component.a = 3;
+
+		assert.htmlEqual(target.innerHTML, `
+			<p>3 + 2 = 5</p>
+			<p>Times calculated: 2</p>
+		`);
+	}
+};

test/runtime/samples/reactive-values-self-dependency/main.html

@@ -0,0 +1,15 @@
+<script>
+	export let a = 1;
+	export let b = 2;
+	let c;
+
+	let count = 0;
+
+	$: {
+		c = a + b;
+		count = count + 1;
+	}
+</script>
+
+<p>{a} + {b} = {c}</p>
+<p>Times calculated: {count}</p>