fixed test because logging false after clear for 3 is not fine-grained (because we already got it after delete)

packages/svelte/src/reactivity/set.js

@@ -1,7 +1,7 @@
 import { make_reactive } from './utils.js';
 
 export const ReactiveSet = make_reactive(Set, {
-	mutation_properties: ['add', 'clear', 'delete'],
+	write_properties: ['add', 'clear', 'delete'],
 	read_properties: ['has', 'size'],
 	interceptors: {
 		add: (notify_read_methods, value, property, ...params) => {

packages/svelte/src/reactivity/set.test.ts

@@ -30,7 +30,7 @@ test('set.values()', () => {
 		set.clear();
 	});
 
-	assert.deepEqual(log, [5, true, [1, 2, 3, 4, 5], 4, false, [1, 2, 4, 5], 0, false, []]);
+	assert.deepEqual(log, [5, true, [1, 2, 3, 4, 5], 4, false, [1, 2, 4, 5], 0, []]);
 
 	cleanup();
 });