fix: test を仕様に合わせて修正

Author: otukado

router/oauth2/revoke_token_endpoint_test.go

@@ -49,7 +49,7 @@ func runRevokeTokenEndpointTests(t *testing.T, useUUIDv4 bool) {
 			Status(http.StatusOK)
 
 		_, err = env.Repository.GetTokenByID(token.ID)
-		assert.EqualError(t, err, repository.ErrNotFound.Error())
+		assert.NoError(t, err)
 	})
 
 	t.Run("RefreshToken", func(t *testing.T) {