void () { showText(""" java.lang.NullPointerException \tat com.intellij.psi.css.resolve.impl.XhtmlFileInfo.findOneStyleSheet(XhtmlFileInfo.java:291) \tat com.intellij.psi.css.resolve.impl.XhtmlFileInfo.getStylesheets(XhtmlFileInfo.java:174) \tat com.intellij.psi.css.resolve.impl.XhtmlFileInfo.initStylesheets(XhtmlFileInfo.java:119)"""); assertIcon("lightning.svg", myContent.getIcon()); assertEquals("NPE", myContent.getDisplayName()); }