remove Context mock from deno test

It's unnecessary.

deno_dist/index.ts

@@ -1,8 +1,5 @@
-import Toucan from 'https://cdn.skypack.dev/toucan-js@2.6.1'
-import type {
-  Context,
-  Handler,
-} from 'https://raw.githubusercontent.com/honojs/hono/v2.0.6/deno_dist/mod.ts'
+import type { Context, Handler } from 'https://raw.githubusercontent.com/honojs/hono/v2.0.6/deno_dist/mod.ts'
+import Toucan from "https://cdn.skypack.dev/toucan-js@2.6.1"
 
 declare module 'https://raw.githubusercontent.com/honojs/hono/v2.0.6/deno_dist/mod.ts' {
   interface ContextVariableMap {

deno_test/index.test.ts

@@ -4,17 +4,6 @@ import { assertEquals, Hono } from './deps.ts'
 
 // Test just only minimal patterns.
 // Because others are tested well in Cloudflare Workers environment already.
-
-// Mock
-class Context implements ExecutionContext {
-  passThroughOnException(): void {
-    throw new Error('Method not implemented.')
-  }
-  async waitUntil(promise: Promise<any>): Promise<void> {
-    await promise
-  }
-}
-
 Deno.test('Sentry Middleware', async () => {
   const app = new Hono()
   app.use(
@@ -29,12 +18,12 @@ Deno.test('Sentry Middleware', async () => {
   })
 
   let req = new Request('http://localhost/sentry/foo')
-  let res = await app.fetch(req, {}, new Context())
+  let res = await app.fetch(req)
   assertNotEquals(res, null)
   assertEquals(res.status, 200)
 
   req = new Request('http://localhost/sentry/error')
-  res = await app.fetch(req, {}, new Context())
+  res = await app.fetch(req)
   assertNotEquals(res, null)
   assertEquals(res.status, 500)
 })