Method replace

test/helpers/FakeDocument.js:636–641

* Asynchronously replace the stylesheet content * @param {string} cssText CSS text content * @returns {Promise<CSSStyleSheet>} Promise that resolves to this stylesheet

(cssText)

	 * @returns {Promise<CSSStyleSheet>} Promise that resolves to this stylesheet
	 */
	replace(cssText) {
		return Promise.resolve().then(() => {
			this.replaceSync(cssText);
			return this;
		});
	}

	/**
	 * Get the parsed CSS rules