TestValidator.httpError() to accept multile statuses.

Author: samchon

packages/e2e/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@nestia/e2e",
-  "version": "0.3.6",
+  "version": "0.3.7",
   "description": "E2E test utilify functions",
   "main": "lib/index.js",
   "scripts": {

packages/e2e/src/TestValidator.ts

@@ -103,16 +103,16 @@ export namespace TestValidator {
 
     export const httpError =
         (title: string) =>
-        (status: number) =>
+        (...statuses: number[]) =>
         <T>(task: () => T): T extends Promise<any> ? Promise<void> : void => {
             const message = (actual?: number) =>
                 typeof actual === "number"
-                    ? `Bug on ${title}: status code must be ${status}, but ${actual}.`
-                    : `Bug on ${title}: status code must be ${status}, but succeeded.`;
+                    ? `Bug on ${title}: status code must be ${statuses.join(" or ")}, but ${actual}.`
+                    : `Bug on ${title}: status code must be ${statuses.join(" or ")}, but succeeded.`;
             const predicate = (exp: any): Error | null =>
                 typeof exp === "object" &&
                 exp.constructor.name === "HttpError" &&
-                exp.status === status
+                statuses.some(val => val === exp.status)
                     ? null
                     : new Error(
                           message(