JSFiddle - React, Tailwind, and code Playground

HTML

<div class="parent">
    <div>Left test testtesttest testtestte sttesttesttesttesttestt esttesttesttest</div>
    <div>Right</div>
</div>

CSS

.parent 
{
    white-space: nowrap;
    width: 100%;
}

.parent > div
{
    display: inline-block;
    vertical-align: top;
    white-space: normal;
    width: 50%;
}