public static HttpServer createTestServer(Configuration conf, String[] pathSpecs)
    throws IOException {
    prepareTestWebapp();
    return createServer(TEST, conf, pathSpecs);
  }
Create but do not start the test webapp server. The test webapp dir is prepared/checked in
advance.
@param conf the server configuration to use
@return the server instance
@throws IOException    if a problem occurs
@throws AssertionError if a condition was not met
hbase-http/src/test/java/org/apache/hadoop/hbase/http/HttpServerFunctionalTest.java