text-overflow: simple mixed-bidi cases

AxxxxBHelloWorldAxxxxBHelloWorldAxxxxBHelloWorldAxxxxBHelloWorld
HelloWorldAxxxxBHelloWorldAxxxxBHelloWorldAxxxxBHelloWorld
HelloWorld
AxxxxBHelloWorldAxxxxBHelloWorldAxxxxBHelloWorldAxxxxBHelloWorld
HelloWorldAxxxxBHelloWorldAxxxxBHelloWorldAxxxxBHelloWorld
HelloWorld
AxxxxBHelloWorldAxxxxBHelloWorldAxxxxBHelloWorldAxxxxBHelloWorld
HelloWorldAxxxxBHelloWorldAxxxxBHelloWorldAxxxxBHelloWorld
HelloWorld
AxxxxBHelloWorldAxxxxBHelloWorldAxxxxBHelloWorldAxxxxBHelloWorld
HelloWorldAxxxxBHelloWorldAxxxxBHelloWorldAxxxxBHelloWorld
HelloWorld