Need assistance using except to in protractor.js

I need to write a conditional where the test case passes if true, but need proper error handling if false. Basically im dealing with transactions, and if there are no transactions, I need to provide proper error handling. Currently when the code below returns false, I get this error:

3) Transactions view should check transaction week Message:Expected 
false to equal true.

I am new to protractor.js as of this week, so I'm trying to wrap my head around it. Any suggestions would be greatly appreciated.

it('check transaction week', function (){
    browser.ignoreSynchronization = true;

    transactionPage.weekFilter.click();
    browser.waitForAngular();
    browser.driver.sleep(5000);

    var trCheck = browser.isElementPresent(transactionPage.transactionRecords);
    expect(trCheck).toEqual(true);


    browser.ignoreSynchronization = false;
});