fetch() test passes

__tests__/plugins/fetch.test.js

@@ -1,8 +1,15 @@
 const makeServiceWorkerEnv = require('service-worker-mock');
 
-const fetch = require('jest-fetch-mock');
-fetch.enableMocks()
-jest.setMock('node-fetch', fetch);
+global.fetch = require('node-fetch');
+jest.mock('node-fetch', () => {
+    const context = {
+        then: jest.fn().mockImplementationOnce(() => {
+        const response = { test: "success" };
+        return Promise.resolve(response);
+        })
+    };
+    return jest.fn(() => context);
+});
 
 describe("plugin: fetch", () => {
   beforeEach(() => {
@@ -25,8 +32,6 @@ describe("plugin: fetch", () => {
   
   test("it should return data from fetch()", async () => {
     require("../../plugins/fetch.js");
-    
-    fetch.mockResponse(JSON.stringify({test: "success"}));
 
     const returnedJSON = await self.LibResilientPlugins[0].fetch('https://resilient.is/test.json');
     expect(returnedJSON).toEqual({test: "success"})

package-lock.json

@@ -1250,15 +1250,6 @@
         "safe-buffer": "5.1.2"
       }
     },
-    "cross-fetch": {
-      "version": "3.1.4",
-      "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-3.1.4.tgz",
-      "integrity": "sha512-1eAtFWdIubi6T4XPy6ei9iUFoKpUkIF971QLN8lIvvvwueI65+Nw5haMNKUwfJxabqlIIDODJKGrQ66gxC0PbQ==",
-      "dev": true,
-      "requires": {
-        "node-fetch": "2.6.1"
-      }
-    },
     "cross-spawn": {
       "version": "7.0.3",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
@@ -2282,16 +2273,6 @@
         "jest-util": "27.0.6"
       }
     },
-    "jest-fetch-mock": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/jest-fetch-mock/-/jest-fetch-mock-3.0.3.tgz",
-      "integrity": "sha512-Ux1nWprtLrdrH4XwE7O7InRY6psIi3GOsqNESJgMJ+M5cv4A8Lh7SN9d2V2kKRZ8ebAfcd1LNyZguAOb6JiDqw==",
-      "dev": true,
-      "requires": {
-        "cross-fetch": "3.1.4",
-        "promise-polyfill": "8.2.0"
-      }
-    },
     "jest-get-type": {
       "version": "27.0.6",
       "resolved": "https://registry.npmjs.org/jest-get-type/-/jest-get-type-27.0.6.tgz",
@@ -3111,12 +3092,6 @@
       "integrity": "sha512-7PiHtLll5LdnKIMw100I+8xJXR5gW2QwWYkT6iJva0bXitZKa/XMrSbdmg3r2Xnaidz9Qumd0VPaMrZlF9V9sA==",
       "dev": true
     },
-    "promise-polyfill": {
-      "version": "8.2.0",
-      "resolved": "https://registry.npmjs.org/promise-polyfill/-/promise-polyfill-8.2.0.tgz",
-      "integrity": "sha512-k/TC0mIcPVF6yHhUvwAp7cvL6I2fFV7TzF1DuGPI8mBh4QQazf36xCKEHKTZKRysEoTQoQdKyP25J8MPJp7j5g==",
-      "dev": true
-    },
     "prompts": {
       "version": "2.4.1",
       "resolved": "https://registry.npmjs.org/prompts/-/prompts-2.4.1.tgz",

package.json

@@ -2,7 +2,7 @@
   "devDependencies": {
     "eslint": "^7.32.0",
     "jest": "^27.0.6",
-    "jest-fetch-mock": "^3.0.3",
+    "node-fetch": "^2.6.1",
     "service-worker-mock": "^2.0.5"
   },
   "dependencies": {}