private void assertDoesNotContainContent(final URL u, final String expected) throws IOException {
    LOG.info("Testing " + u.toString() + " does not have " + expected);
    String content = getUrlContent(u);
    assertFalse("Does Not Contain =" + expected + ", content=" + content,
      content.contains(expected));
  }
Test that the status pages in the minicluster load properly. This is somewhat a duplicate of
TestRSStatusServlet and TestMasterStatusServlet, but those are true unit tests whereas this
uses a cluster.
hbase-server/src/test/java/org/apache/hadoop/hbase/TestInfoServers.java