Test 1
original: array replacement
myObservableArray(newUnderlyingArray)
data-bind="foreach: myObservableArray"
Test 2
original: array push
ko.utils.arrayPushAll(myObservableArray, newUnderlyingArray)
data-bind="foreach: myObservableArray"
Test 3
Fast: array replacement
myObservableArray(newUnderlyingArray)
data-bind="fastForEach: myObservableArray"
Test 4
Fast: array push
ko.utils.arrayPushAll(myObservableArray, newUnderlyingArray)
data-bind="fastForEach: myObservableArray"
