diff --git a/HeroesDemo/jest.config.js b/HeroesDemo/jest.config.js
new file mode 100644
index 00000000..70e3440a
--- /dev/null
+++ b/HeroesDemo/jest.config.js
@@ -0,0 +1,5 @@
+module.exports = {
+  preset: 'jest-preset-angular',
+  setupFilesAfterEnv: ['<rootDir>/setup-jest.ts'],
+  globalSetup: 'jest-preset-angular/global-setup',
+};
\ No newline at end of file
diff --git a/HeroesDemo/src/clientapi/WebApiNG2ClientAuto.spec.ts b/HeroesDemo/src/clientapi/WebApiNG2ClientAuto.spec.ts
index 31beddf0..833cca4d 100644
--- a/HeroesDemo/src/clientapi/WebApiNG2ClientAuto.spec.ts
+++ b/HeroesDemo/src/clientapi/WebApiNG2ClientAuto.spec.ts
@@ -1184,6 +1184,9 @@ describe('SuperDemo API', () => {
     }
     );
 
+    /**
+     * Returned is blob
+     */
     it('getBadRequest', (done) => {
         service.getBadRequest().subscribe(
             data => {
@@ -1201,6 +1204,9 @@ describe('SuperDemo API', () => {
     }
     );
 
+    /**
+     * Returned is text
+     */
     it('getBadRequest2', (done) => {
         service.getBadRequest2().subscribe(
             data => {