function setEOLSeq(browser, io, eol) {
    io = `#${io}-text`;
    browser
        .useCss()
        .waitForElementNotVisible("#snackbar-container", 6000)
        .click(io + " .eol-value")
        .waitForElementVisible(io + " .eol-select .cm-status-bar-select-content")
        .click(`${io} .cm-status-bar-select-content a[data-val=${eol}]`)
        .waitForElementNotVisible(io + " .eol-select .cm-status-bar-select-content")
        .expect.element(io + " .eol-value").text.that.equals(eol);
}
@function
Sets the end of line sequence in the input or output

@param {Browser} browser - Nightwatch client
@param {string} io - Either "input" or "output"
@param {string} eol - The sequence to set