Checks this in arrow function scope
    (function() {
      let f = () => { #debugger; };
      f();

This on callFrame:
{
    type : undefined
}
This in evaluateOnCallFrame:
{
    type : undefined
}
Values equal: true

      let f = () => { debugger; };
      #f();
    }).call('a');

This on callFrame:
{
    className : String
    description : String
    objectId : <objectId>
    type : object
}
This in evaluateOnCallFrame:
{
    className : String
    description : String
    objectId : <objectId>
    type : object
}
Values equal: true

      f();
    }).#call('a');
    return a;

This on callFrame:
{
    className : Number
    description : Number
    objectId : <objectId>
    type : object
}
This in evaluateOnCallFrame:
{
    className : Number
    description : Number
    objectId : <objectId>
    type : object
}
Values equal: true

function boo() {
  foo.call(1)#();
}

This on callFrame:
{
    className : Object
    description : Object
    objectId : <objectId>
    type : object
}
This in evaluateOnCallFrame:
{
    className : Object
    description : Object
    objectId : <objectId>
    type : object
}
Values equal: true

}
(() => boo.#call({}))();

This on callFrame:
{
    type : undefined
}
This in evaluateOnCallFrame:
{
    type : undefined
}
Values equal: true

}
(() => boo.call({}))#();

This on callFrame:
{
    className : global
    description : global
    objectId : <objectId>
    type : object
}
This in evaluateOnCallFrame:
{
    className : global
    description : global
    objectId : <objectId>
    type : object
}
Values equal: true