行吧...我自己找到问题了，貌似我代码哪里出了问题，testData.js的json读取出错。

修改了下，运行成功，显示通过。

function arraysSimilar(arr1, arr2){            
    var count = 0;            
    if (!(arr1 instanceof Array) || !(arr2 instanceof Array)) {                
        return false;            
    }            
    if (arr1.length === arr2.length) {                
        arr1.forEach(function (x) {                    
        switch(typeof x) {                        
        case "number":                        
        case "string":                        
        case "boolean":                        
        case "undefined":                        
        case "function":                            
            var result = arr2.some(item => (typeof item) === (typeof x));                            
            if (result === true) {                                
            count++;                            }                            
            break;                        
        case "object":                            
            if (x instanceof Date) {                                
                if(arr2.some(item => item instanceof Date)) {                                    
                    count++;                                
                }                            
            }                            
            else {                                
                var result = objRec(x);                                
                result = arr2.some(item => item === result);                                         
                if (result === true) {                                    
                    count++;                                
                }                            
             }                            
             break;                    
        }                
    });                
    if (count === arr1.length) {                    
        return true;                
    }                
    else {                    
        return false;                
    }            
}            
return false;        
}        
function objRec(x) {            
    if (x === null) {                
        return null;            
    }            
    else if (x instanceof Date) {                
        return Date();            
    }            
    else if (x != null && x === x.window) {                
        return window;            
    }            
    else if (x instanceof Array) {                
        return Array;            
    }            
    else {                
        return Object;            
    }        
}