function isDivisible(divisee, divisor) {
   return divisee % divisor === 0;

}


function testIsDivisible() {
  if (isDivisible(10, 2) && !isDivisible(11, 2)) {
    console.log('SUCCESS: `isDivisible` is working');
  }
  else {
    console.log('FAILURE: `isDivisible` is not working');
  }
}

testIsDivisible();