text: const expect = require('chai').expect;
  const sinon = require('sinon');
  const subject = require('./getServerStatus')();
  
  describe('getServerStatus', () => {
    const jsonSpy = sinon.spy();
    const requestSpy = {};
    const responseSpy = {
      json: jsonSpy
    };
    const expectedJSONResponse = {
      'status': 'HEALTHY'
    };
  
    it('returns a json payload with healthy status', () => {
      subject(requestSpy, responseSpy);
      expect(jsonSpy).to.have.been.calledWith(expectedJSONResponse);
    });
  });
  