How to use the single-spa.SKIP_BECAUSE_BROKEN function in single-spa

.then(() => {
        expect(errs.length).toBe(1);
        expect(myApp.wasBootstrapped()).toEqual(true);
        expect(myApp.wasMounted()).toEqual(false);
        expect(singleSpa.getMountedApps()).toEqual([]);
        expect(singleSpa.getAppStatus('./bootstrap-rejects.app.js')).toEqual(singleSpa.SKIP_BECAUSE_BROKEN);
      })
  });

.then(() => {
        expect(errs.length).toBeGreaterThan(0);
        expect(errs[0].appName).toBe('invalid-load-2');
        expect(errs[0].message.indexOf('single-spa loading function did not return a promise. Check the second argument to registerApplication')).toBeGreaterThan(-1)
        expect(singleSpa.getAppStatus('invalid-load-2')).toBe(singleSpa.SKIP_BECAUSE_BROKEN);
      })
  });

.then(() => {
        expect(errs.length).toBeGreaterThan(0);
        expect(errs[0].appName).toBe('invalid-load-1');
        expect(errs[0].message.indexOf('single-spa loading function did not return a promise. Check the second argument to registerApplication')).toBeGreaterThan(-1)
        expect(singleSpa.getAppStatus('invalid-load-1')).toBe(singleSpa.SKIP_BECAUSE_BROKEN);
      })
  });