Removing ts-jest complexity

-> keeping our CI/CD pipelines fast and simple

hello/package.json

@@ -12,23 +12,8 @@
   "devDependencies": {
     "@types/jest": "*",
     "@types/node": "*",
-    "ts-jest": "^27.0.2",
     "typescript": "^4.3.5"
   },
-  "jest": {
-    "testEnvironment": "node",
-    "preset": "ts-jest",
-    "globals": {
-      "ts-jest": {
-        "diagnostics": {
-          "_comment": "see https://githubmemory.com/repo/kulshekhar/ts-jest/issues/2722",
-          "ignoreCodes": [
-            151001
-          ]
-        }
-      }
-    }
-  },
   "eslintConfig": {
     "extends": "eslint:recommended",
     "env": {

hello/test/hello-world-test.js

@@ -0,0 +1,13 @@
+const cds = require ('@sap/cds')
+describe('Hello world!', () => {
+
+    beforeAll (()=> process.env.CDS_TYPESCRIPT = true)
+    afterAll (()=> delete process.env.CDS_TYPESCRIPT)
+    const {GET} = cds.test.in(__dirname,'../srv').run('serve', 'world.cds')
+
+    it('should say hello with class impl', async () => {
+        const {data} = await GET`/say/hello(to='world')`
+        expect(data.value).toMatch(/Hello world.*typescript.*/i)
+    })
+
+})

hello/test/hello-world-ts.test.ts

@@ -1,15 +0,0 @@
-process.env.CDS_TYPESCRIPT = 'true';
-import * as cds from '@sap/cds';
-
-//@ts-ignore
-const {GET} = cds.test.in(__dirname,'../srv').run('serve', 'world.cds');
-
-describe('Hello world!', () => {
-    afterAll(() => { delete process.env.CDS_TYPESCRIPT; });
-
-    it('should say hello with class impl from a typescript file', async () => {
-        const {data} = await GET`/say/hello(to='world')`
-        expect(data.value).toMatch(/Hello world.*typescript.*/i)
-    })
-
-})