diff --git a/test/runtime/samples/inline-style-directive-and-style-attr-merged/_config.js b/test/runtime/samples/inline-style-directive-and-style-attr-merged/_config.js
index 80f4a64f5a..862b3a7e46 100644
--- a/test/runtime/samples/inline-style-directive-and-style-attr-merged/_config.js
+++ b/test/runtime/samples/inline-style-directive-and-style-attr-merged/_config.js
@@ -2,16 +2,19 @@ export default {
 	html: `
 		<p style="height: 40px; color: red;"></p>
 	`,
+	solo: true,
 
 	test({ assert, target, window, component }) {
 		const p = target.querySelector("p");
-
 		const styles = window.getComputedStyle(p);
 		assert.equal(styles.color, "red");
 		assert.equal(styles.height, "40px");
 
 		component.color2 = "yellow";
-		const updated_styles = window.getComputedStyle(p);
-		assert.equal(updated_styles.color, "red");
+		{
+			const p = target.querySelector("p");
+			const styles = window.getComputedStyle(p);
+			assert.equal(styles.color, "red");
+		}
 	},
 };