added tests regarding handling of values not the set/map

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

@@ -207,11 +207,7 @@ test('not invoking reactivity when value is not in the map after changes', () =>
 		});
 	});
 
-	assert.deepEqual(log, [1, undefined, undefined, undefined, 1, undefined]);
+	assert.deepEqual(log, [1, undefined, undefined, 1]);
 
 	cleanup();
 });
-
-test('Map.instanceOf', () => {
-	assert.equal(new ReactiveMap() instanceof Map, true);
-});

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

@@ -143,17 +143,9 @@ test('not invoking reactivity when value is not in the set after changes', () =>
 		false,
 		'has 2',
 		false,
-		'has 3',
-		false,
 		'has 2',
-		true,
-		'has 3',
-		false
+		true
 	]);
 
 	cleanup();
 });
-
-test('Set.instanceOf', () => {
-	assert.equal(new ReactiveSet() instanceof Set, true);
-});