S12 - Async feedback for scheduling

agiledancers-fe/src/app/core/school-api.spec.ts

@@ -73,11 +73,11 @@ describe('SchoolApi contract', () => {
       .flush({ message: 'Invalid data' }, { status: 400, statusText: 'Bad Request' });
     expect(failure).toHaveBeenCalledOnce();
   });
-  it('schedules synchronously with room for the 30-minute solver limit', () => {
+  it('starts a background calculation without a solver-length HTTP timeout', () => {
     api.schedule(7, 3).subscribe();
     const request = http.expectOne('/api/dance-schools/7/shows/3/schedule');
     expect(request.request.method).toBe('POST');
-    expect(request.request.timeout).toBe(1860000);
+    expect(request.request.timeout).toBeUndefined();
     request.flush({ optimal: false, message: 'Valid result; optimal balance not proven' });
   });
 });