[bugfix] Toast: destroy instance in multiple mode (#1959)

packages/toast/index.js

@@ -49,6 +49,11 @@ function Toast(options = {}) {
     ...parseOptions(options),
     clear() {
       toast.value = false;
+
+      if (!singleton && !isServer) {
+        document.body.removeChild(toast.$el);
+        toast.$destroy();
+      }
     }
   };
 

packages/toast/test/index.spec.js

@@ -5,7 +5,8 @@ transitionStub();
 
 test('create a forbidClick toast', async() => {
   const toast = Toast({
-    forbidClick: true
+    forbidClick: true,
+    type: 'success'
   });
 
   expect(toast.$el.outerHTML).toMatchSnapshot();