Improve jest config to fix wrong line numbers

Author: srosset81

src/middleware/tests/jest.config.js

@@ -2,7 +2,7 @@
 const config = {
   testEnvironment: 'node',
   transform: {
-    '\\.[jt]sx?$': ['esbuild-jest', { rootMode: 'upward' }]
+    '\\.[jt]sx?$': ['esbuild-jest', { sourcemap: true, rootMode: 'upward' }]
   },
   transformIgnorePatterns: [],
   setupFilesAfterEnv: ['<rootDir>/jest.setup.js']