test(reg-exp-router): remove unnecessary type annotation in test

Author: usualoma

src/router/reg-exp-router/prepared-router.test.ts

@@ -53,17 +53,17 @@ describe('PreparedRegExpRouter', async () => {
     it('should add a route', () => {
       const params = buildInitParams({
         paths: ['/hello'],
-      }) as ConstructorParameters<typeof PreparedRegExpRouter<string>>
-      const router = new PreparedRegExpRouter<string>(...params)
+      })
+      const router = new PreparedRegExpRouter(...params)
       router.add('GET', '/hello', 'get hello')
       expect(router.match('GET', '/hello')).toEqual([[['get hello', {}]], []])
     })
 
     it('should throw an error if the path is not pre-registered', () => {
       const params = buildInitParams({
         paths: ['/hello'],
-      }) as ConstructorParameters<typeof PreparedRegExpRouter<string>>
-      const router = new PreparedRegExpRouter<string>(...params)
+      })
+      const router = new PreparedRegExpRouter(...params)
       expect(() => router.add('GET', '/unknown', 'get hello')).toThrowError()
     })
   })