expected put to be called once but was called 4 times

[snehaly...@gmail.com]

Hello guys..I am new to karma and I am getting "expected put to be called once but was called 4 times" issue.I tried a lot,but still not got the solution.Please help me to resolve this issue.Here is my code: 

it('should update add on classification record', () => {

let id = 'bilcer5a93dc2e579ad03f44c32427';

let controller = makeController();

controller.updateAddOnClassificationRecord(id);

sinon.assert.calledOnce(controller.addOnClassificationApi.put);

});