Apply suggestions from code review

Co-authored-by: Ben McCann <322311+benmccann@users.noreply.github.com>

test/hydration/samples/claim-comment/_config.js

@@ -5,6 +5,6 @@ export default {
 	snapshot(target) {
 		return {
 			div: target.querySelectorAll('div')[1]
-		}
+		};
 	}
 };

test/hydration/samples/if-block-update/_config.js

@@ -13,7 +13,6 @@ export default {
 	},
 
 	test(assert, target, _, component) {
-		const p = target.querySelector('p');
 
 		component.foo = false;
 		component.bar = true;