Tests Debugger.setBreakpointOnFunctionCall.
set breakpoint on function call
call function
paused
hitBreakpoints contains id: true
remove breakpoint
{
    id : <messageId>
    result : {
    }
}
call function again
evaluate finished without pause
set breakpoint on function call
set breakpoint on same function call
{
    error : {
        code : -32000
        message : Breakpoint at specified location already exists.
    }
    id : <messageId>
}
set breakpoint on function call with condition
call function, condition is false
evaluate finished without pause
call function, condition is true
paused
hitBreakpoints contains id: true
remove breakpoint
{
    id : <messageId>
    result : {
    }
}
call function again
evaluate finished without pause