public void createServer(VM server, boolean accessor) {
    createServer(server, 0, accessor, 0);
  }
create accessor vm if the given accessor parameter variable is true.

@param server VM to create cache server.
@param accessor boolean if true creates an accessor cache server.
geode-cq/src/distributedTest/java/org/apache/geode/cache/query/cq/dunit/PrCqUsingPoolDUnitTest.java