diff --git a/test/runtime/samples/class-with-spread/_config.js b/test/runtime/samples/class-with-spread/_config.js
new file mode 100644
index 0000000000..c26a534d2a
--- /dev/null
+++ b/test/runtime/samples/class-with-spread/_config.js
@@ -0,0 +1,22 @@
+export default {
+	data: {
+		myClass: 'one two',
+		attributes: {
+			role: 'button'
+		}
+	},
+	html: `<div class="one two" role="button"></div>`,
+
+	test ( assert, component, target, window ) {
+		component.set({
+			attributes: {
+				'aria-label': 'Test'
+			},
+			myClass: 'one'
+		});
+
+		assert.htmlEqual( target.innerHTML, `
+			<div class="one" aria-label="Test"></div>
+		` );
+	}
+};
diff --git a/test/runtime/samples/class-with-spread/main.html b/test/runtime/samples/class-with-spread/main.html
new file mode 100644
index 0000000000..dab73757c9
--- /dev/null
+++ b/test/runtime/samples/class-with-spread/main.html
@@ -0,0 +1 @@
+<div class="{ myClass }" {...attributes}></div>