private Region getRegion() {
    // Yuck...
    return ((GemfireSessionManager) SessionCachingFilter.getSessionManager()).getCache().getCache()
        .getRegion("gemfire_modules_sessions");
  }
Why doesn't HttpTester do this already??
extensions/geode-modules-session/src/integrationTest/java/org/apache/geode/modules/session/internal/filter/SessionReplicationIntegrationJUnitTest.java