latest updates @APR 20, 2022

src/app/datainjection.service.spec.ts

@@ -0,0 +1,15 @@
+import { TestBed, inject } from '@angular/core/testing';
+
+import { DatainjectionService } from './datainjection.service';
+
+describe('DatainjectionService', () => {
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [DatainjectionService]
+    });
+  });
+
+  it('should be created', inject([DatainjectionService], (service: DatainjectionService) => {
+    expect(service).toBeTruthy();
+  }));
+});