function bake(browser) {
    browser
        // Ensure we're not currently busy
        .waitForElementNotVisible("#output-loader", 5000)
        .expect.element("#bake span").text.to.equal("BAKE!");

    browser
        .click("#bake")
        .waitForElementNotVisible("#stale-indicator", 5000)
        .waitForElementNotVisible("#output-loader", 5000);
}
@function
Triggers a bake

@param {Browser} browser - Nightwatch client