in src/main/java/org/apache/sling/junit/impl/servlet/HtmlRenderer.java [100:115]
public void setup(HttpServletResponse response, String pageTitle) throws IOException {
if(output != null) {
throw new IllegalStateException("Output Writer already set");
}
response.setContentType("text/html");
response.setCharacterEncoding("UTF-8");
setWriter(response.getWriter());
output.println("<html><head>");
output.println("<link rel='stylesheet' type='text/css' href='" + ServletProcessor.CSS + "'/>");
output.print("<title>");
HtmlFilter.escape(output, pageTitle);
output.println("</title>");
output.println("</head><body><h1>");
HtmlFilter.escape(output, pageTitle);
output.println("</h1>");
}