Tests DOM.querySelector and DOM.querySelectorAll
querySelector: by node name

Running test: getFirstDivInBody
{
    attributes : [
    ]
    backendNodeId : <number>
    childNodeCount : 6
    localName : body
    nodeId : <number>
    nodeName : BODY
    nodeType : 1
    nodeValue :
    parentId : <number>
}
{
    nodeId : <number>
}
{
    attributes : [
        [0] : class
        [1] : testClass
        [2] : id
        [3] : firstDiv
    ]
    backendNodeId : <number>
    childNodeCount : 0
    localName : div
    nodeId : <number>
    nodeName : DIV
    nodeType : 1
    nodeValue :
    parentId : <number>
}

Running test: queryForSecondDivInBodyById
{
    attributes : [
    ]
    backendNodeId : <number>
    childNodeCount : 6
    localName : body
    nodeId : <number>
    nodeName : BODY
    nodeType : 1
    nodeValue :
    parentId : <number>
}
{
    nodeId : <number>
}
[
    [0] : class
    [1] : testClass
    [2] : id
    [3] : secondDiv
]

Running test: queryForAllDivsWithGivenClassName
{
    attributes : [
    ]
    backendNodeId : <number>
    childNodeCount : 6
    localName : body
    nodeId : <number>
    nodeName : BODY
    nodeType : 1
    nodeValue :
    parentId : <number>
}
5

Running test: expectProperSetChildNodeEventsForDeepNodeQuery
{
    attributes : [
    ]
    backendNodeId : <number>
    childNodeCount : 6
    localName : body
    nodeId : <number>
    nodeName : BODY
    nodeType : 1
    nodeValue :
    parentId : <number>
}
{
    nodeId : <number>
}