fix: remove unnecessary type assertion (#37930)

* fix: remove uncessary type assertion

* fix: remove as const

components/message/__tests__/config.test.ts

@@ -180,10 +180,10 @@ describe('message.config', () => {
     }
     const [container1, removeContainer1] = createContainer();
     const [container2, removeContainer2] = createContainer();
-    expect((container1 as HTMLDivElement).querySelector('.ant-message-notice')).toBeFalsy();
-    expect((container2 as HTMLDivElement).querySelector('.ant-message-notice')).toBeFalsy();
+    expect(container1.querySelector('.ant-message-notice')).toBeFalsy();
+    expect(container2.querySelector('.ant-message-notice')).toBeFalsy();
     message.config({
-      getContainer: () => container1 as HTMLDivElement,
+      getContainer: () => container1,
     });
     const messageText1 = 'mounted in container1';
 
@@ -191,20 +191,16 @@ describe('message.config', () => {
       message.info(messageText1);
     });
 
-    expect(
-      (container1 as HTMLDivElement).querySelector('.ant-message-notice')?.textContent,
-    ).toEqual(messageText1);
+    expect(container1.querySelector('.ant-message-notice')?.textContent).toEqual(messageText1);
     message.config({
-      getContainer: () => container2 as HTMLDivElement,
+      getContainer: () => container2,
     });
     const messageText2 = 'mounted in container2';
 
     act(() => {
       message.info(messageText2);
     });
-    expect(
-      (container2 as HTMLDivElement).querySelector('.ant-message-notice')?.textContent,
-    ).toEqual(messageText2);
+    expect(container2.querySelector('.ant-message-notice')?.textContent).toEqual(messageText2);
     if (typeof removeContainer1 === 'function') {
       removeContainer1();
     }